Update to v5.0.2v5.0.2

bundle exec rake 'update[v5.0.2]'

17 files changed, 640 insertions, 445 deletions

diff --git a/assets/javascripts/bootstrap/alert.js b/assets/javascripts/bootstrap/alert.js
index 1020f6d..539d58a 100644
--- a/assets/javascripts/bootstrap/alert.js
+++ b/assets/javascripts/bootstrap/alert.js
@@ -1,17 +1,16 @@
 /*!
-  * Bootstrap alert.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap alert.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/data.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
-  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/data', './dom/event-handler', './base-component'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Alert = factory(global.SelectorEngine, global.Data, global.EventHandler, global.Base));
-}(this, (function (SelectorEngine, Data, EventHandler, BaseComponent) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
+  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/event-handler', './base-component'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Alert = factory(global.SelectorEngine, global.EventHandler, global.Base));
+}(this, (function (SelectorEngine, EventHandler, BaseComponent) { 'use strict';
 
   function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
 
-  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
   var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
   var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
 
@@ -56,9 +55,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -85,7 +93,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): alert.js
+   * Bootstrap (v5.0.2): alert.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -148,21 +156,14 @@
     }
 
     _destroyElement(element) {
-      if (element.parentNode) {
-        element.parentNode.removeChild(element);
-      }
-
+      element.remove();
       EventHandler__default['default'].trigger(element, EVENT_CLOSED);
     } // Static
 
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data__default['default'].get(this, DATA_KEY);
-
-        if (!data) {
-          data = new Alert(this);
-        }
+        const data = Alert.getOrCreateInstance(this);
 
         if (config === 'close') {
           data[config](this);
diff --git a/assets/javascripts/bootstrap/base-component.js b/assets/javascripts/bootstrap/base-component.js
index 6230074..274f417 100644
--- a/assets/javascripts/bootstrap/base-component.js
+++ b/assets/javascripts/bootstrap/base-component.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap base-component.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap base-component.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -70,33 +70,45 @@
     return null;
   };
 
-  const emulateTransitionEnd = (element, duration) => {
-    let called = false;
+  const execute = callback => {
+    if (typeof callback === 'function') {
+      callback();
+    }
+  };
+
+  const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
+    if (!waitForTransition) {
+      execute(callback);
+      return;
+    }
+
     const durationPadding = 5;
-    const emulatedDuration = duration + durationPadding;
+    const emulatedDuration = getTransitionDurationFromElement(transitionElement) + durationPadding;
+    let called = false;
+
+    const handler = ({
+      target
+    }) => {
+      if (target !== transitionElement) {
+        return;
+      }
 
-    function listener() {
       called = true;
-      element.removeEventListener(TRANSITION_END, listener);
-    }
+      transitionElement.removeEventListener(TRANSITION_END, handler);
+      execute(callback);
+    };
 
-    element.addEventListener(TRANSITION_END, listener);
+    transitionElement.addEventListener(TRANSITION_END, handler);
     setTimeout(() => {
       if (!called) {
-        triggerTransitionEnd(element);
+        triggerTransitionEnd(transitionElement);
       }
     }, emulatedDuration);
   };
 
-  const execute = callback => {
-    if (typeof callback === 'function') {
-      callback();
-    }
-  };
-
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): base-component.js
+   * Bootstrap (v5.0.2): base-component.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -106,7 +118,7 @@
    * ------------------------------------------------------------------------
    */
 
-  const VERSION = '5.0.1';
+  const VERSION = '5.0.2';
 
   class BaseComponent {
     constructor(element) {
@@ -129,14 +141,7 @@
     }
 
     _queueCallback(callback, element, isAnimated = true) {
-      if (!isAnimated) {
-        execute(callback);
-        return;
-      }
-
-      const transitionDuration = getTransitionDurationFromElement(element);
-      EventHandler__default['default'].one(element, 'transitionend', () => execute(callback));
-      emulateTransitionEnd(element, transitionDuration);
+      executeAfterTransition(callback, element, isAnimated);
     }
     /** Static */
 
@@ -145,6 +150,10 @@
       return Data__default['default'].get(element, this.DATA_KEY);
     }
 
+    static getOrCreateInstance(element, config = {}) {
+      return this.getInstance(element) || new this(element, typeof config === 'object' ? config : null);
+    }
+
     static get VERSION() {
       return VERSION;
     }
diff --git a/assets/javascripts/bootstrap/button.js b/assets/javascripts/bootstrap/button.js
index 50f3279..a5e2b0c 100644
--- a/assets/javascripts/bootstrap/button.js
+++ b/assets/javascripts/bootstrap/button.js
@@ -1,17 +1,16 @@
 /*!
-  * Bootstrap button.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap button.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/data.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
-  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/data', './dom/event-handler', './base-component'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Button = factory(global.SelectorEngine, global.Data, global.EventHandler, global.Base));
-}(this, (function (SelectorEngine, Data, EventHandler, BaseComponent) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
+  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/event-handler', './base-component'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Button = factory(global.SelectorEngine, global.EventHandler, global.Base));
+}(this, (function (SelectorEngine, EventHandler, BaseComponent) { 'use strict';
 
   function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
 
-  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
   var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
   var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
 
@@ -27,9 +26,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -56,7 +64,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): button.js
+   * Bootstrap (v5.0.2): button.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -94,11 +102,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data__default['default'].get(this, DATA_KEY);
-
-        if (!data) {
-          data = new Button(this);
-        }
+        const data = Button.getOrCreateInstance(this);
 
         if (config === 'toggle') {
           data[config]();
@@ -117,12 +121,7 @@
   EventHandler__default['default'].on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, event => {
     event.preventDefault();
     const button = event.target.closest(SELECTOR_DATA_TOGGLE);
-    let data = Data__default['default'].get(button, DATA_KEY);
-
-    if (!data) {
-      data = new Button(button);
-    }
-
+    const data = Button.getOrCreateInstance(button);
     data.toggle();
   });
   /**
diff --git a/assets/javascripts/bootstrap/carousel.js b/assets/javascripts/bootstrap/carousel.js
index 49792d5..0d1a152 100644
--- a/assets/javascripts/bootstrap/carousel.js
+++ b/assets/javascripts/bootstrap/carousel.js
@@ -1,18 +1,17 @@
 /*!
-  * Bootstrap carousel.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap carousel.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/data.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./base-component.js')) :
-  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/data', './dom/event-handler', './dom/manipulator', './base-component'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Carousel = factory(global.SelectorEngine, global.Data, global.EventHandler, global.Manipulator, global.Base));
-}(this, (function (SelectorEngine, Data, EventHandler, Manipulator, BaseComponent) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./base-component.js')) :
+  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/event-handler', './dom/manipulator', './base-component'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Carousel = factory(global.SelectorEngine, global.EventHandler, global.Manipulator, global.Base));
+}(this, (function (SelectorEngine, EventHandler, Manipulator, BaseComponent) { 'use strict';
 
   function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
 
   var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
-  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
   var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
   var Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
   var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
@@ -85,17 +84,11 @@
   };
 
   const isVisible = element => {
-    if (!element) {
+    if (!isElement(element) || element.getClientRects().length === 0) {
       return false;
     }
 
-    if (element.style && element.parentNode && element.parentNode.style) {
-      const elementStyle = getComputedStyle(element);
-      const parentNodeStyle = getComputedStyle(element.parentNode);
-      return elementStyle.display !== 'none' && parentNodeStyle.display !== 'none' && elementStyle.visibility !== 'hidden';
-    }
-
-    return false;
+    return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
   };
 
   const reflow = element => element.offsetHeight;
@@ -112,9 +105,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -140,10 +142,37 @@
       }
     });
   };
+  /**
+   * Return the previous/next element of a list.
+   *
+   * @param {array} list    The list of elements
+   * @param activeElement   The active element
+   * @param shouldGetNext   Choose to get next or previous element
+   * @param isCycleAllowed
+   * @return {Element|elem} The proper element
+   */
+
+
+  const getNextActiveElement = (list, activeElement, shouldGetNext, isCycleAllowed) => {
+    let index = list.indexOf(activeElement); // if the element does not exist in the list return an element depending on the direction and if cycle is allowed
+
+    if (index === -1) {
+      return list[!shouldGetNext && isCycleAllowed ? list.length - 1 : 0];
+    }
+
+    const listLength = list.length;
+    index += shouldGetNext ? 1 : -1;
+
+    if (isCycleAllowed) {
+      index = (index + listLength) % listLength;
+    }
+
+    return list[Math.max(0, Math.min(index, listLength - 1))];
+  };
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): carousel.js
+   * Bootstrap (v5.0.2): carousel.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -182,6 +211,10 @@
   const ORDER_PREV = 'prev';
   const DIRECTION_LEFT = 'left';
   const DIRECTION_RIGHT = 'right';
+  const KEY_TO_DIRECTION = {
+    [ARROW_LEFT_KEY]: DIRECTION_RIGHT,
+    [ARROW_RIGHT_KEY]: DIRECTION_LEFT
+  };
   const EVENT_SLIDE = `slide${EVENT_KEY}`;
   const EVENT_SLID = `slid${EVENT_KEY}`;
   const EVENT_KEYDOWN = `keydown${EVENT_KEY}`;
@@ -250,9 +283,7 @@
 
 
     next() {
-      if (!this._isSliding) {
-        this._slide(ORDER_NEXT);
-      }
+      this._slide(ORDER_NEXT);
     }
 
     nextWhenVisible() {
@@ -264,9 +295,7 @@
     }
 
     prev() {
-      if (!this._isSliding) {
-        this._slide(ORDER_PREV);
-      }
+      this._slide(ORDER_PREV);
     }
 
     pause(event) {
@@ -328,7 +357,8 @@
 
     _getConfig(config) {
       config = { ...Default,
-        ...config
+        ...Manipulator__default['default'].getDataAttributes(this._element),
+        ...(typeof config === 'object' ? config : {})
       };
       typeCheckConfig(NAME, config, DefaultType);
       return config;
@@ -426,14 +456,12 @@
         return;
       }
 
-      if (event.key === ARROW_LEFT_KEY) {
-        event.preventDefault();
+      const direction = KEY_TO_DIRECTION[event.key];
 
-        this._slide(DIRECTION_RIGHT);
-      } else if (event.key === ARROW_RIGHT_KEY) {
+      if (direction) {
         event.preventDefault();
 
-        this._slide(DIRECTION_LEFT);
+        this._slide(direction);
       }
     }
 
@@ -444,20 +472,7 @@
 
     _getItemByOrder(order, activeElement) {
       const isNext = order === ORDER_NEXT;
-      const isPrev = order === ORDER_PREV;
-
-      const activeIndex = this._getItemIndex(activeElement);
-
-      const lastItemIndex = this._items.length - 1;
-      const isGoingToWrap = isPrev && activeIndex === 0 || isNext && activeIndex === lastItemIndex;
-
-      if (isGoingToWrap && !this._config.wrap) {
-        return activeElement;
-      }
-
-      const delta = isPrev ? -1 : 1;
-      const itemIndex = (activeIndex + delta) % this._items.length;
-      return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
+      return getNextActiveElement(this._items, activeElement, isNext, this._config.wrap);
     }
 
     _triggerSlideEvent(relatedTarget, eventDirectionName) {
@@ -530,6 +545,10 @@
         return;
       }
 
+      if (this._isSliding) {
+        return;
+      }
+
       const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
 
       if (slideEvent.defaultPrevented) {
@@ -613,10 +632,10 @@
 
 
     static carouselInterface(element, config) {
-      let data = Data__default['default'].get(element, DATA_KEY);
-      let _config = { ...Default,
-        ...Manipulator__default['default'].getDataAttributes(element)
-      };
+      const data = Carousel.getOrCreateInstance(element, config);
+      let {
+        _config
+      } = data;
 
       if (typeof config === 'object') {
         _config = { ..._config,
@@ -626,10 +645,6 @@
 
       const action = typeof config === 'string' ? config : _config.slide;
 
-      if (!data) {
-        data = new Carousel(element, _config);
-      }
-
       if (typeof config === 'number') {
         data.to(config);
       } else if (typeof action === 'string') {
@@ -669,7 +684,7 @@
       Carousel.carouselInterface(target, config);
 
       if (slideIndex) {
-        Data__default['default'].get(target, DATA_KEY).to(slideIndex);
+        Carousel.getInstance(target).to(slideIndex);
       }
 
       event.preventDefault();
@@ -688,7 +703,7 @@
     const carousels = SelectorEngine__default['default'].find(SELECTOR_DATA_RIDE);
 
     for (let i = 0, len = carousels.length; i < len; i++) {
-      Carousel.carouselInterface(carousels[i], Data__default['default'].get(carousels[i], DATA_KEY));
+      Carousel.carouselInterface(carousels[i], Carousel.getInstance(carousels[i]));
     }
   });
   /**
diff --git a/assets/javascripts/bootstrap/collapse.js b/assets/javascripts/bootstrap/collapse.js
index 6724627..40aa437 100644
--- a/assets/javascripts/bootstrap/collapse.js
+++ b/assets/javascripts/bootstrap/collapse.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap collapse.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap collapse.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -115,9 +115,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -144,7 +153,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): collapse.js
+   * Bootstrap (v5.0.2): collapse.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -260,7 +269,7 @@
 
       if (actives) {
         const tempActiveData = actives.find(elem => container !== elem);
-        activesData = tempActiveData ? Data__default['default'].get(tempActiveData, DATA_KEY) : null;
+        activesData = tempActiveData ? Collapse.getInstance(tempActiveData) : null;
 
         if (activesData && activesData._isTransitioning) {
           return;
@@ -423,7 +432,7 @@
 
 
     static collapseInterface(element, config) {
-      let data = Data__default['default'].get(element, DATA_KEY);
+      let data = Collapse.getInstance(element);
       const _config = { ...Default,
         ...Manipulator__default['default'].getDataAttributes(element),
         ...(typeof config === 'object' && config ? config : {})
@@ -470,7 +479,7 @@
     const selector = getSelectorFromElement(this);
     const selectorElements = SelectorEngine__default['default'].find(selector);
     selectorElements.forEach(element => {
-      const data = Data__default['default'].get(element, DATA_KEY);
+      const data = Collapse.getInstance(element);
       let config;
 
       if (data) {
diff --git a/assets/javascripts/bootstrap/dom/data.js b/assets/javascripts/bootstrap/dom/data.js
index 3fafb3f..9d12826 100644
--- a/assets/javascripts/bootstrap/dom/data.js
+++ b/assets/javascripts/bootstrap/dom/data.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap data.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap data.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -11,7 +11,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): dom/data.js
+   * Bootstrap (v5.0.2): dom/data.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
diff --git a/assets/javascripts/bootstrap/dom/event-handler.js b/assets/javascripts/bootstrap/dom/event-handler.js
index b45664b..3bac928 100644
--- a/assets/javascripts/bootstrap/dom/event-handler.js
+++ b/assets/javascripts/bootstrap/dom/event-handler.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap event-handler.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap event-handler.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -23,7 +23,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): dom/event-handler.js
+   * Bootstrap (v5.0.2): dom/event-handler.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
diff --git a/assets/javascripts/bootstrap/dom/manipulator.js b/assets/javascripts/bootstrap/dom/manipulator.js
index 844928b..ec64f22 100644
--- a/assets/javascripts/bootstrap/dom/manipulator.js
+++ b/assets/javascripts/bootstrap/dom/manipulator.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap manipulator.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap manipulator.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -11,7 +11,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): dom/manipulator.js
+   * Bootstrap (v5.0.2): dom/manipulator.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
diff --git a/assets/javascripts/bootstrap/dom/selector-engine.js b/assets/javascripts/bootstrap/dom/selector-engine.js
index d3b5088..9a45199 100644
--- a/assets/javascripts/bootstrap/dom/selector-engine.js
+++ b/assets/javascripts/bootstrap/dom/selector-engine.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap selector-engine.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap selector-engine.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -11,7 +11,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): dom/selector-engine.js
+   * Bootstrap (v5.0.2): dom/selector-engine.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
diff --git a/assets/javascripts/bootstrap/dropdown.js b/assets/javascripts/bootstrap/dropdown.js
index 47d04a3..e20db05 100644
--- a/assets/javascripts/bootstrap/dropdown.js
+++ b/assets/javascripts/bootstrap/dropdown.js
@@ -1,13 +1,13 @@
 /*!
-  * Bootstrap dropdown.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap dropdown.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@popperjs/core'), require('./dom/selector-engine.js'), require('./dom/data.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./base-component.js')) :
-  typeof define === 'function' && define.amd ? define(['@popperjs/core', './dom/selector-engine', './dom/data', './dom/event-handler', './dom/manipulator', './base-component'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global.Popper, global.SelectorEngine, global.Data, global.EventHandler, global.Manipulator, global.Base));
-}(this, (function (Popper, SelectorEngine, Data, EventHandler, Manipulator, BaseComponent) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@popperjs/core'), require('./dom/selector-engine.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./base-component.js')) :
+  typeof define === 'function' && define.amd ? define(['@popperjs/core', './dom/selector-engine', './dom/event-handler', './dom/manipulator', './base-component'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global.Popper, global.SelectorEngine, global.EventHandler, global.Manipulator, global.Base));
+}(this, (function (Popper, SelectorEngine, EventHandler, Manipulator, BaseComponent) { 'use strict';
 
   function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
 
@@ -33,7 +33,6 @@
 
   var Popper__namespace = /*#__PURE__*/_interopNamespace(Popper);
   var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
-  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
   var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
   var Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
   var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
@@ -113,17 +112,11 @@
   };
 
   const isVisible = element => {
-    if (!element) {
+    if (!isElement(element) || element.getClientRects().length === 0) {
       return false;
     }
 
-    if (element.style && element.parentNode && element.parentNode.style) {
-      const elementStyle = getComputedStyle(element);
-      const parentNodeStyle = getComputedStyle(element.parentNode);
-      return elementStyle.display !== 'none' && parentNodeStyle.display !== 'none' && elementStyle.visibility !== 'hidden';
-    }
-
-    return false;
+    return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
   };
 
   const isDisabled = element => {
@@ -156,9 +149,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -184,10 +186,37 @@
       }
     });
   };
+  /**
+   * Return the previous/next element of a list.
+   *
+   * @param {array} list    The list of elements
+   * @param activeElement   The active element
+   * @param shouldGetNext   Choose to get next or previous element
+   * @param isCycleAllowed
+   * @return {Element|elem} The proper element
+   */
+
+
+  const getNextActiveElement = (list, activeElement, shouldGetNext, isCycleAllowed) => {
+    let index = list.indexOf(activeElement); // if the element does not exist in the list return an element depending on the direction and if cycle is allowed
+
+    if (index === -1) {
+      return list[!shouldGetNext && isCycleAllowed ? list.length - 1 : 0];
+    }
+
+    const listLength = list.length;
+    index += shouldGetNext ? 1 : -1;
+
+    if (isCycleAllowed) {
+      index = (index + listLength) % listLength;
+    }
+
+    return list[Math.max(0, Math.min(index, listLength - 1))];
+  };
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): dropdown.js
+   * Bootstrap (v5.0.2): dropdown.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -507,38 +536,24 @@
       };
     }
 
-    _selectMenuItem(event) {
+    _selectMenuItem({
+      key,
+      target
+    }) {
       const items = SelectorEngine__default['default'].find(SELECTOR_VISIBLE_ITEMS, this._menu).filter(isVisible);
 
       if (!items.length) {
         return;
-      }
-
-      let index = items.indexOf(event.target); // Up
-
-      if (event.key === ARROW_UP_KEY && index > 0) {
-        index--;
-      } // Down
+      } // if target isn't included in items (e.g. when expanding the dropdown)
+      // allow cycling to get the last item in case key equals ARROW_UP_KEY
 
 
-      if (event.key === ARROW_DOWN_KEY && index < items.length - 1) {
-        index++;
-      } // index is -1 if the first keydown is an ArrowUp
-
-
-      index = index === -1 ? 0 : index;
-      items[index].focus();
+      getNextActiveElement(items, target, key === ARROW_DOWN_KEY, !items.includes(target)).focus();
     } // Static
 
 
     static dropdownInterface(element, config) {
-      let data = Data__default['default'].get(element, DATA_KEY);
-
-      const _config = typeof config === 'object' ? config : null;
-
-      if (!data) {
-        data = new Dropdown(element, _config);
-      }
+      const data = Dropdown.getOrCreateInstance(element, config);
 
       if (typeof config === 'string') {
         if (typeof data[config] === 'undefined') {
@@ -563,7 +578,7 @@
       const toggles = SelectorEngine__default['default'].find(SELECTOR_DATA_TOGGLE);
 
       for (let i = 0, len = toggles.length; i < len; i++) {
-        const context = Data__default['default'].get(toggles[i], DATA_KEY);
+        const context = Dropdown.getInstance(toggles[i]);
 
         if (!context || context._config.autoClose === false) {
           continue;
@@ -636,17 +651,19 @@
         return;
       }
 
-      if (!isActive && (event.key === ARROW_UP_KEY || event.key === ARROW_DOWN_KEY)) {
-        getToggleButton().click();
+      if (event.key === ARROW_UP_KEY || event.key === ARROW_DOWN_KEY) {
+        if (!isActive) {
+          getToggleButton().click();
+        }
+
+        Dropdown.getInstance(getToggleButton())._selectMenuItem(event);
+
         return;
       }
 
       if (!isActive || event.key === SPACE_KEY) {
         Dropdown.clearMenus();
-        return;
       }
-
-      Dropdown.getInstance(getToggleButton())._selectMenuItem(event);
     }
 
   }
diff --git a/assets/javascripts/bootstrap/modal.js b/assets/javascripts/bootstrap/modal.js
index bf7f3d8..c4c8ff6 100644
--- a/assets/javascripts/bootstrap/modal.js
+++ b/assets/javascripts/bootstrap/modal.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap modal.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap modal.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -95,22 +95,17 @@
     return typeof obj.nodeType !== 'undefined';
   };
 
-  const emulateTransitionEnd = (element, duration) => {
-    let called = false;
-    const durationPadding = 5;
-    const emulatedDuration = duration + durationPadding;
+  const getElement = obj => {
+    if (isElement(obj)) {
+      // it's a jQuery object or a node element
+      return obj.jquery ? obj[0] : obj;
+    }
 
-    function listener() {
-      called = true;
-      element.removeEventListener(TRANSITION_END, listener);
+    if (typeof obj === 'string' && obj.length > 0) {
+      return SelectorEngine__default['default'].findOne(obj);
     }
 
-    element.addEventListener(TRANSITION_END, listener);
-    setTimeout(() => {
-      if (!called) {
-        triggerTransitionEnd(element);
-      }
-    }, emulatedDuration);
+    return null;
   };
 
   const typeCheckConfig = (componentName, config, configTypes) => {
@@ -126,17 +121,11 @@
   };
 
   const isVisible = element => {
-    if (!element) {
+    if (!isElement(element) || element.getClientRects().length === 0) {
       return false;
     }
 
-    if (element.style && element.parentNode && element.parentNode.style) {
-      const elementStyle = getComputedStyle(element);
-      const parentNodeStyle = getComputedStyle(element.parentNode);
-      return elementStyle.display !== 'none' && parentNodeStyle.display !== 'none' && elementStyle.visibility !== 'hidden';
-    }
-
-    return false;
+    return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
   };
 
   const reflow = element => element.offsetHeight;
@@ -153,9 +142,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -188,83 +186,143 @@
     }
   };
 
+  const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
+    if (!waitForTransition) {
+      execute(callback);
+      return;
+    }
+
+    const durationPadding = 5;
+    const emulatedDuration = getTransitionDurationFromElement(transitionElement) + durationPadding;
+    let called = false;
+
+    const handler = ({
+      target
+    }) => {
+      if (target !== transitionElement) {
+        return;
+      }
+
+      called = true;
+      transitionElement.removeEventListener(TRANSITION_END, handler);
+      execute(callback);
+    };
+
+    transitionElement.addEventListener(TRANSITION_END, handler);
+    setTimeout(() => {
+      if (!called) {
+        triggerTransitionEnd(transitionElement);
+      }
+    }, emulatedDuration);
+  };
+
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/scrollBar.js
+   * Bootstrap (v5.0.2): util/scrollBar.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
   const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
   const SELECTOR_STICKY_CONTENT = '.sticky-top';
 
-  const getWidth = () => {
-    // https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes
-    const documentWidth = document.documentElement.clientWidth;
-    return Math.abs(window.innerWidth - documentWidth);
-  };
+  class ScrollBarHelper {
+    constructor() {
+      this._element = document.body;
+    }
 
-  const hide = (width = getWidth()) => {
-    _disableOverFlow(); // give padding to element to balances the hidden scrollbar width
+    getWidth() {
+      // https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes
+      const documentWidth = document.documentElement.clientWidth;
+      return Math.abs(window.innerWidth - documentWidth);
+    }
 
+    hide() {
+      const width = this.getWidth();
 
-    _setElementAttributes('body', 'paddingRight', calculatedValue => calculatedValue + width); // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements, to keep shown fullwidth
+      this._disableOverFlow(); // give padding to element to balance the hidden scrollbar width
 
 
-    _setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width);
+      this._setElementAttributes(this._element, 'paddingRight', calculatedValue => calculatedValue + width); // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements to keep showing fullwidth
 
-    _setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width);
-  };
 
-  const _disableOverFlow = () => {
-    const actualValue = document.body.style.overflow;
+      this._setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width);
 
-    if (actualValue) {
-      Manipulator__default['default'].setDataAttribute(document.body, 'overflow', actualValue);
+      this._setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width);
     }
 
-    document.body.style.overflow = 'hidden';
-  };
+    _disableOverFlow() {
+      this._saveInitialAttribute(this._element, 'overflow');
 
-  const _setElementAttributes = (selector, styleProp, callback) => {
-    const scrollbarWidth = getWidth();
-    SelectorEngine__default['default'].find(selector).forEach(element => {
-      if (element !== document.body && window.innerWidth > element.clientWidth + scrollbarWidth) {
-        return;
-      }
+      this._element.style.overflow = 'hidden';
+    }
 
-      const actualValue = element.style[styleProp];
-      const calculatedValue = window.getComputedStyle(element)[styleProp];
-      Manipulator__default['default'].setDataAttribute(element, styleProp, actualValue);
-      element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px`;
-    });
-  };
+    _setElementAttributes(selector, styleProp, callback) {
+      const scrollbarWidth = this.getWidth();
 
-  const reset = () => {
-    _resetElementAttributes('body', 'overflow');
+      const manipulationCallBack = element => {
+        if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) {
+          return;
+        }
 
-    _resetElementAttributes('body', 'paddingRight');
+        this._saveInitialAttribute(element, styleProp);
 
-    _resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight');
+        const calculatedValue = window.getComputedStyle(element)[styleProp];
+        element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px`;
+      };
 
-    _resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight');
-  };
+      this._applyManipulationCallback(selector, manipulationCallBack);
+    }
 
-  const _resetElementAttributes = (selector, styleProp) => {
-    SelectorEngine__default['default'].find(selector).forEach(element => {
-      const value = Manipulator__default['default'].getDataAttribute(element, styleProp);
+    reset() {
+      this._resetElementAttributes(this._element, 'overflow');
 
-      if (typeof value === 'undefined') {
-        element.style.removeProperty(styleProp);
+      this._resetElementAttributes(this._element, 'paddingRight');
+
+      this._resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight');
+
+      this._resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight');
+    }
+
+    _saveInitialAttribute(element, styleProp) {
+      const actualValue = element.style[styleProp];
+
+      if (actualValue) {
+        Manipulator__default['default'].setDataAttribute(element, styleProp, actualValue);
+      }
+    }
+
+    _resetElementAttributes(selector, styleProp) {
+      const manipulationCallBack = element => {
+        const value = Manipulator__default['default'].getDataAttribute(element, styleProp);
+
+        if (typeof value === 'undefined') {
+          element.style.removeProperty(styleProp);
+        } else {
+          Manipulator__default['default'].removeDataAttribute(element, styleProp);
+          element.style[styleProp] = value;
+        }
+      };
+
+      this._applyManipulationCallback(selector, manipulationCallBack);
+    }
+
+    _applyManipulationCallback(selector, callBack) {
+      if (isElement(selector)) {
+        callBack(selector);
       } else {
-        Manipulator__default['default'].removeDataAttribute(element, styleProp);
-        element.style[styleProp] = value;
+        SelectorEngine__default['default'].find(selector, this._element).forEach(callBack);
       }
-    });
-  };
+    }
+
+    isOverflowing() {
+      return this.getWidth() > 0;
+    }
+
+  }
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/backdrop.js
+   * Bootstrap (v5.0.2): util/backdrop.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -272,14 +330,14 @@
     isVisible: true,
     // if false, we use the backdrop helper without adding any element to the dom
     isAnimated: false,
-    rootElement: document.body,
+    rootElement: 'body',
     // give the choice to place backdrop under different elements
     clickCallback: null
   };
   const DefaultType$1 = {
     isVisible: 'boolean',
     isAnimated: 'boolean',
-    rootElement: 'element',
+    rootElement: '(element|string)',
     clickCallback: '(function|null)'
   };
   const NAME$1 = 'backdrop';
@@ -347,8 +405,9 @@
     _getConfig(config) {
       config = { ...Default$1,
         ...(typeof config === 'object' ? config : {})
-      };
-      config.rootElement = config.rootElement || document.body;
+      }; // use getElement() with the default "body" to get a fresh Element on each instantiation
+
+      config.rootElement = getElement(config.rootElement);
       typeCheckConfig(NAME$1, config, DefaultType$1);
       return config;
     }
@@ -373,27 +432,20 @@
 
       EventHandler__default['default'].off(this._element, EVENT_MOUSEDOWN);
 
-      this._getElement().parentNode.removeChild(this._element);
+      this._element.remove();
 
       this._isAppended = false;
     }
 
     _emulateAnimation(callback) {
-      if (!this._config.isAnimated) {
-        execute(callback);
-        return;
-      }
-
-      const backdropTransitionDuration = getTransitionDurationFromElement(this._getElement());
-      EventHandler__default['default'].one(this._getElement(), 'transitionend', () => execute(callback));
-      emulateTransitionEnd(this._getElement(), backdropTransitionDuration);
+      executeAfterTransition(callback, this._getElement(), this._config.isAnimated);
     }
 
   }
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): modal.js
+   * Bootstrap (v5.0.2): modal.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -453,6 +505,7 @@
       this._isShown = false;
       this._ignoreBackdropClick = false;
       this._isTransitioning = false;
+      this._scrollBar = new ScrollBarHelper();
     } // Getters
 
 
@@ -474,20 +527,22 @@
         return;
       }
 
-      if (this._isAnimated()) {
-        this._isTransitioning = true;
-      }
-
       const showEvent = EventHandler__default['default'].trigger(this._element, EVENT_SHOW, {
         relatedTarget
       });
 
-      if (this._isShown || showEvent.defaultPrevented) {
+      if (showEvent.defaultPrevented) {
         return;
       }
 
       this._isShown = true;
-      hide();
+
+      if (this._isAnimated()) {
+        this._isTransitioning = true;
+      }
+
+      this._scrollBar.hide();
+
       document.body.classList.add(CLASS_NAME_OPEN);
 
       this._adjustDialog();
@@ -509,7 +564,7 @@
     }
 
     hide(event) {
-      if (event) {
+      if (event && ['A', 'AREA'].includes(event.target.tagName)) {
         event.preventDefault();
       }
 
@@ -576,7 +631,7 @@
     _getConfig(config) {
       config = { ...Default,
         ...Manipulator__default['default'].getDataAttributes(this._element),
-        ...config
+        ...(typeof config === 'object' ? config : {})
       };
       typeCheckConfig(NAME, config, DefaultType);
       return config;
@@ -679,7 +734,8 @@
 
         this._resetAdjustments();
 
-        reset();
+        this._scrollBar.reset();
+
         EventHandler__default['default'].trigger(this._element, EVENT_HIDDEN);
       });
     }
@@ -716,27 +772,32 @@
         return;
       }
 
-      const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
+      const {
+        classList,
+        scrollHeight,
+        style
+      } = this._element;
+      const isModalOverflowing = scrollHeight > document.documentElement.clientHeight; // return if the following background transition hasn't yet completed
+
+      if (!isModalOverflowing && style.overflowY === 'hidden' || classList.contains(CLASS_NAME_STATIC)) {
+        return;
+      }
 
       if (!isModalOverflowing) {
-        this._element.style.overflowY = 'hidden';
+        style.overflowY = 'hidden';
       }
 
-      this._element.classList.add(CLASS_NAME_STATIC);
+      classList.add(CLASS_NAME_STATIC);
 
-      const modalTransitionDuration = getTransitionDurationFromElement(this._dialog);
-      EventHandler__default['default'].off(this._element, 'transitionend');
-      EventHandler__default['default'].one(this._element, 'transitionend', () => {
-        this._element.classList.remove(CLASS_NAME_STATIC);
+      this._queueCallback(() => {
+        classList.remove(CLASS_NAME_STATIC);
 
         if (!isModalOverflowing) {
-          EventHandler__default['default'].one(this._element, 'transitionend', () => {
-            this._element.style.overflowY = '';
-          });
-          emulateTransitionEnd(this._element, modalTransitionDuration);
+          this._queueCallback(() => {
+            style.overflowY = '';
+          }, this._dialog);
         }
-      });
-      emulateTransitionEnd(this._element, modalTransitionDuration);
+      }, this._dialog);
 
       this._element.focus();
     } // ----------------------------------------------------------------------
@@ -746,7 +807,9 @@
 
     _adjustDialog() {
       const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
-      const scrollbarWidth = getWidth();
+
+      const scrollbarWidth = this._scrollBar.getWidth();
+
       const isBodyOverflowing = scrollbarWidth > 0;
 
       if (!isBodyOverflowing && isModalOverflowing && !isRTL() || isBodyOverflowing && !isModalOverflowing && isRTL()) {
@@ -766,7 +829,7 @@
 
     static jQueryInterface(config, relatedTarget) {
       return this.each(function () {
-        const data = Modal.getInstance(this) || new Modal(this, typeof config === 'object' ? config : {});
+        const data = Modal.getOrCreateInstance(this, config);
 
         if (typeof config !== 'string') {
           return;
@@ -807,7 +870,7 @@
         }
       });
     });
-    const data = Modal.getInstance(target) || new Modal(target);
+    const data = Modal.getOrCreateInstance(target);
     data.toggle(this);
   });
   /**
diff --git a/assets/javascripts/bootstrap/offcanvas.js b/assets/javascripts/bootstrap/offcanvas.js
index 929cb17..e132db4 100644
--- a/assets/javascripts/bootstrap/offcanvas.js
+++ b/assets/javascripts/bootstrap/offcanvas.js
@@ -1,19 +1,18 @@
 /*!
-  * Bootstrap offcanvas.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap offcanvas.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/manipulator.js'), require('./dom/data.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
-  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/manipulator', './dom/data', './dom/event-handler', './base-component'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Offcanvas = factory(global.SelectorEngine, global.Manipulator, global.Data, global.EventHandler, global.Base));
-}(this, (function (SelectorEngine, Manipulator, Data, EventHandler, BaseComponent) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/manipulator.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
+  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/manipulator', './dom/event-handler', './base-component'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Offcanvas = factory(global.SelectorEngine, global.Manipulator, global.EventHandler, global.Base));
+}(this, (function (SelectorEngine, Manipulator, EventHandler, BaseComponent) { 'use strict';
 
   function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
 
   var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
   var Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
-  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
   var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
   var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
 
@@ -96,22 +95,17 @@
     return typeof obj.nodeType !== 'undefined';
   };
 
-  const emulateTransitionEnd = (element, duration) => {
-    let called = false;
-    const durationPadding = 5;
-    const emulatedDuration = duration + durationPadding;
+  const getElement = obj => {
+    if (isElement(obj)) {
+      // it's a jQuery object or a node element
+      return obj.jquery ? obj[0] : obj;
+    }
 
-    function listener() {
-      called = true;
-      element.removeEventListener(TRANSITION_END, listener);
+    if (typeof obj === 'string' && obj.length > 0) {
+      return SelectorEngine__default['default'].findOne(obj);
     }
 
-    element.addEventListener(TRANSITION_END, listener);
-    setTimeout(() => {
-      if (!called) {
-        triggerTransitionEnd(element);
-      }
-    }, emulatedDuration);
+    return null;
   };
 
   const typeCheckConfig = (componentName, config, configTypes) => {
@@ -127,17 +121,11 @@
   };
 
   const isVisible = element => {
-    if (!element) {
+    if (!isElement(element) || element.getClientRects().length === 0) {
       return false;
     }
 
-    if (element.style && element.parentNode && element.parentNode.style) {
-      const elementStyle = getComputedStyle(element);
-      const parentNodeStyle = getComputedStyle(element.parentNode);
-      return elementStyle.display !== 'none' && parentNodeStyle.display !== 'none' && elementStyle.visibility !== 'hidden';
-    }
-
-    return false;
+    return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
   };
 
   const isDisabled = element => {
@@ -170,9 +158,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -203,83 +200,143 @@
     }
   };
 
+  const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
+    if (!waitForTransition) {
+      execute(callback);
+      return;
+    }
+
+    const durationPadding = 5;
+    const emulatedDuration = getTransitionDurationFromElement(transitionElement) + durationPadding;
+    let called = false;
+
+    const handler = ({
+      target
+    }) => {
+      if (target !== transitionElement) {
+        return;
+      }
+
+      called = true;
+      transitionElement.removeEventListener(TRANSITION_END, handler);
+      execute(callback);
+    };
+
+    transitionElement.addEventListener(TRANSITION_END, handler);
+    setTimeout(() => {
+      if (!called) {
+        triggerTransitionEnd(transitionElement);
+      }
+    }, emulatedDuration);
+  };
+
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/scrollBar.js
+   * Bootstrap (v5.0.2): util/scrollBar.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
   const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
   const SELECTOR_STICKY_CONTENT = '.sticky-top';
 
-  const getWidth = () => {
-    // https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes
-    const documentWidth = document.documentElement.clientWidth;
-    return Math.abs(window.innerWidth - documentWidth);
-  };
+  class ScrollBarHelper {
+    constructor() {
+      this._element = document.body;
+    }
 
-  const hide = (width = getWidth()) => {
-    _disableOverFlow(); // give padding to element to balances the hidden scrollbar width
+    getWidth() {
+      // https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes
+      const documentWidth = document.documentElement.clientWidth;
+      return Math.abs(window.innerWidth - documentWidth);
+    }
 
+    hide() {
+      const width = this.getWidth();
 
-    _setElementAttributes('body', 'paddingRight', calculatedValue => calculatedValue + width); // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements, to keep shown fullwidth
+      this._disableOverFlow(); // give padding to element to balance the hidden scrollbar width
 
 
-    _setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width);
+      this._setElementAttributes(this._element, 'paddingRight', calculatedValue => calculatedValue + width); // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements to keep showing fullwidth
 
-    _setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width);
-  };
 
-  const _disableOverFlow = () => {
-    const actualValue = document.body.style.overflow;
+      this._setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width);
 
-    if (actualValue) {
-      Manipulator__default['default'].setDataAttribute(document.body, 'overflow', actualValue);
+      this._setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width);
     }
 
-    document.body.style.overflow = 'hidden';
-  };
+    _disableOverFlow() {
+      this._saveInitialAttribute(this._element, 'overflow');
 
-  const _setElementAttributes = (selector, styleProp, callback) => {
-    const scrollbarWidth = getWidth();
-    SelectorEngine__default['default'].find(selector).forEach(element => {
-      if (element !== document.body && window.innerWidth > element.clientWidth + scrollbarWidth) {
-        return;
-      }
+      this._element.style.overflow = 'hidden';
+    }
 
-      const actualValue = element.style[styleProp];
-      const calculatedValue = window.getComputedStyle(element)[styleProp];
-      Manipulator__default['default'].setDataAttribute(element, styleProp, actualValue);
-      element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px`;
-    });
-  };
+    _setElementAttributes(selector, styleProp, callback) {
+      const scrollbarWidth = this.getWidth();
 
-  const reset = () => {
-    _resetElementAttributes('body', 'overflow');
+      const manipulationCallBack = element => {
+        if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) {
+          return;
+        }
 
-    _resetElementAttributes('body', 'paddingRight');
+        this._saveInitialAttribute(element, styleProp);
 
-    _resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight');
+        const calculatedValue = window.getComputedStyle(element)[styleProp];
+        element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px`;
+      };
 
-    _resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight');
-  };
+      this._applyManipulationCallback(selector, manipulationCallBack);
+    }
+
+    reset() {
+      this._resetElementAttributes(this._element, 'overflow');
+
+      this._resetElementAttributes(this._element, 'paddingRight');
+
+      this._resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight');
+
+      this._resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight');
+    }
+
+    _saveInitialAttribute(element, styleProp) {
+      const actualValue = element.style[styleProp];
+
+      if (actualValue) {
+        Manipulator__default['default'].setDataAttribute(element, styleProp, actualValue);
+      }
+    }
 
-  const _resetElementAttributes = (selector, styleProp) => {
-    SelectorEngine__default['default'].find(selector).forEach(element => {
-      const value = Manipulator__default['default'].getDataAttribute(element, styleProp);
+    _resetElementAttributes(selector, styleProp) {
+      const manipulationCallBack = element => {
+        const value = Manipulator__default['default'].getDataAttribute(element, styleProp);
 
-      if (typeof value === 'undefined') {
-        element.style.removeProperty(styleProp);
+        if (typeof value === 'undefined') {
+          element.style.removeProperty(styleProp);
+        } else {
+          Manipulator__default['default'].removeDataAttribute(element, styleProp);
+          element.style[styleProp] = value;
+        }
+      };
+
+      this._applyManipulationCallback(selector, manipulationCallBack);
+    }
+
+    _applyManipulationCallback(selector, callBack) {
+      if (isElement(selector)) {
+        callBack(selector);
       } else {
-        Manipulator__default['default'].removeDataAttribute(element, styleProp);
-        element.style[styleProp] = value;
+        SelectorEngine__default['default'].find(selector, this._element).forEach(callBack);
       }
-    });
-  };
+    }
+
+    isOverflowing() {
+      return this.getWidth() > 0;
+    }
+
+  }
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/backdrop.js
+   * Bootstrap (v5.0.2): util/backdrop.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -287,14 +344,14 @@
     isVisible: true,
     // if false, we use the backdrop helper without adding any element to the dom
     isAnimated: false,
-    rootElement: document.body,
+    rootElement: 'body',
     // give the choice to place backdrop under different elements
     clickCallback: null
   };
   const DefaultType$1 = {
     isVisible: 'boolean',
     isAnimated: 'boolean',
-    rootElement: 'element',
+    rootElement: '(element|string)',
     clickCallback: '(function|null)'
   };
   const NAME$1 = 'backdrop';
@@ -362,8 +419,9 @@
     _getConfig(config) {
       config = { ...Default$1,
         ...(typeof config === 'object' ? config : {})
-      };
-      config.rootElement = config.rootElement || document.body;
+      }; // use getElement() with the default "body" to get a fresh Element on each instantiation
+
+      config.rootElement = getElement(config.rootElement);
       typeCheckConfig(NAME$1, config, DefaultType$1);
       return config;
     }
@@ -388,27 +446,20 @@
 
       EventHandler__default['default'].off(this._element, EVENT_MOUSEDOWN);
 
-      this._getElement().parentNode.removeChild(this._element);
+      this._element.remove();
 
       this._isAppended = false;
     }
 
     _emulateAnimation(callback) {
-      if (!this._config.isAnimated) {
-        execute(callback);
-        return;
-      }
-
-      const backdropTransitionDuration = getTransitionDurationFromElement(this._getElement());
-      EventHandler__default['default'].one(this._getElement(), 'transitionend', () => execute(callback));
-      emulateTransitionEnd(this._getElement(), backdropTransitionDuration);
+      executeAfterTransition(callback, this._getElement(), this._config.isAnimated);
     }
 
   }
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): offcanvas.js
+   * Bootstrap (v5.0.2): offcanvas.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -495,7 +546,7 @@
       this._backdrop.show();
 
       if (!this._config.scroll) {
-        hide();
+        new ScrollBarHelper().hide();
 
         this._enforceFocusOnElement(this._element);
       }
@@ -548,7 +599,7 @@
         this._element.style.visibility = 'hidden';
 
         if (!this._config.scroll) {
-          reset();
+          new ScrollBarHelper().reset();
         }
 
         EventHandler__default['default'].trigger(this._element, EVENT_HIDDEN);
@@ -606,7 +657,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        const data = Data__default['default'].get(this, DATA_KEY) || new Offcanvas(this, typeof config === 'object' ? config : {});
+        const data = Offcanvas.getOrCreateInstance(this, config);
 
         if (typeof config !== 'string') {
           return;
@@ -652,12 +703,10 @@
       Offcanvas.getInstance(allReadyOpen).hide();
     }
 
-    const data = Data__default['default'].get(target, DATA_KEY) || new Offcanvas(target);
+    const data = Offcanvas.getOrCreateInstance(target);
     data.toggle(this);
   });
-  EventHandler__default['default'].on(window, EVENT_LOAD_DATA_API, () => {
-    SelectorEngine__default['default'].find(OPEN_SELECTOR).forEach(el => (Data__default['default'].get(el, DATA_KEY) || new Offcanvas(el)).show());
-  });
+  EventHandler__default['default'].on(window, EVENT_LOAD_DATA_API, () => SelectorEngine__default['default'].find(OPEN_SELECTOR).forEach(el => Offcanvas.getOrCreateInstance(el).show()));
   /**
    * ------------------------------------------------------------------------
    * jQuery
diff --git a/assets/javascripts/bootstrap/popover.js b/assets/javascripts/bootstrap/popover.js
index e482216..8a29737 100644
--- a/assets/javascripts/bootstrap/popover.js
+++ b/assets/javascripts/bootstrap/popover.js
@@ -1,18 +1,17 @@
 /*!
-  * Bootstrap popover.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap popover.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/data.js'), require('./tooltip.js')) :
-  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/data', './tooltip'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Popover = factory(global.SelectorEngine, global.Data, global.Tooltip));
-}(this, (function (SelectorEngine, Data, Tooltip) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./tooltip.js')) :
+  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './tooltip'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Popover = factory(global.SelectorEngine, global.Tooltip));
+}(this, (function (SelectorEngine, Tooltip) { 'use strict';
 
   function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
 
   var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
-  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
   var Tooltip__default = /*#__PURE__*/_interopDefaultLegacy(Tooltip);
 
   const getjQuery = () => {
@@ -27,9 +26,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -56,7 +64,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): popover.js
+   * Bootstrap (v5.0.2): popover.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -126,6 +134,24 @@
       return this.getTitle() || this._getContent();
     }
 
+    getTipElement() {
+      if (this.tip) {
+        return this.tip;
+      }
+
+      this.tip = super.getTipElement();
+
+      if (!this.getTitle()) {
+        SelectorEngine__default['default'].findOne(SELECTOR_TITLE, this.tip).remove();
+      }
+
+      if (!this._getContent()) {
+        SelectorEngine__default['default'].findOne(SELECTOR_CONTENT, this.tip).remove();
+      }
+
+      return this.tip;
+    }
+
     setContent() {
       const tip = this.getTipElement(); // we use append for html objects to maintain js events
 
@@ -162,18 +188,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data__default['default'].get(this, DATA_KEY);
-
-        const _config = typeof config === 'object' ? config : null;
-
-        if (!data && /dispose|hide/.test(config)) {
-          return;
-        }
-
-        if (!data) {
-          data = new Popover(this, _config);
-          Data__default['default'].set(this, DATA_KEY, data);
-        }
+        const data = Popover.getOrCreateInstance(this, config);
 
         if (typeof config === 'string') {
           if (typeof data[config] === 'undefined') {
diff --git a/assets/javascripts/bootstrap/scrollspy.js b/assets/javascripts/bootstrap/scrollspy.js
index e2c45b7..181ce92 100644
--- a/assets/javascripts/bootstrap/scrollspy.js
+++ b/assets/javascripts/bootstrap/scrollspy.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap scrollspy.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap scrollspy.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -18,7 +18,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/index.js
+   * Bootstrap (v5.0.2): util/index.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -117,9 +117,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -146,7 +155,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): scrollspy.js
+   * Bootstrap (v5.0.2): scrollspy.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -361,7 +370,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        const data = ScrollSpy.getInstance(this) || new ScrollSpy(this, typeof config === 'object' ? config : {});
+        const data = ScrollSpy.getOrCreateInstance(this, config);
 
         if (typeof config !== 'string') {
           return;
diff --git a/assets/javascripts/bootstrap/tab.js b/assets/javascripts/bootstrap/tab.js
index 933c793..1a201b4 100644
--- a/assets/javascripts/bootstrap/tab.js
+++ b/assets/javascripts/bootstrap/tab.js
@@ -1,18 +1,17 @@
 /*!
-  * Bootstrap tab.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap tab.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/data.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
-  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/data', './dom/event-handler', './base-component'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Tab = factory(global.SelectorEngine, global.Data, global.EventHandler, global.Base));
-}(this, (function (SelectorEngine, Data, EventHandler, BaseComponent) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
+  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/event-handler', './base-component'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Tab = factory(global.SelectorEngine, global.EventHandler, global.Base));
+}(this, (function (SelectorEngine, EventHandler, BaseComponent) { 'use strict';
 
   function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
 
   var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
-  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
   var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
   var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
 
@@ -75,9 +74,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -104,7 +112,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): tab.js
+   * Bootstrap (v5.0.2): tab.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -259,7 +267,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        const data = Data__default['default'].get(this, DATA_KEY) || new Tab(this);
+        const data = Tab.getOrCreateInstance(this);
 
         if (typeof config === 'string') {
           if (typeof data[config] === 'undefined') {
@@ -288,7 +296,7 @@
       return;
     }
 
-    const data = Data__default['default'].get(this, DATA_KEY) || new Tab(this);
+    const data = Tab.getOrCreateInstance(this);
     data.show();
   });
   /**
diff --git a/assets/javascripts/bootstrap/toast.js b/assets/javascripts/bootstrap/toast.js
index 56be199..27793e6 100644
--- a/assets/javascripts/bootstrap/toast.js
+++ b/assets/javascripts/bootstrap/toast.js
@@ -1,17 +1,16 @@
 /*!
-  * Bootstrap toast.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap toast.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/data.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./base-component.js')) :
-  typeof define === 'function' && define.amd ? define(['./dom/data', './dom/event-handler', './dom/manipulator', './base-component'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Toast = factory(global.Data, global.EventHandler, global.Manipulator, global.Base));
-}(this, (function (Data, EventHandler, Manipulator, BaseComponent) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./base-component.js')) :
+  typeof define === 'function' && define.amd ? define(['./dom/event-handler', './dom/manipulator', './base-component'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Toast = factory(global.EventHandler, global.Manipulator, global.Base));
+}(this, (function (EventHandler, Manipulator, BaseComponent) { 'use strict';
 
   function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
 
-  var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
   var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
   var Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
   var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
@@ -62,9 +61,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -91,7 +99,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): toast.js
+   * Bootstrap (v5.0.2): toast.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -291,13 +299,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data__default['default'].get(this, DATA_KEY);
-
-        const _config = typeof config === 'object' && config;
-
-        if (!data) {
-          data = new Toast(this, _config);
-        }
+        const data = Toast.getOrCreateInstance(this, config);
 
         if (typeof config === 'string') {
           if (typeof data[config] === 'undefined') {
diff --git a/assets/javascripts/bootstrap/tooltip.js b/assets/javascripts/bootstrap/tooltip.js
index 4d61bc1..53d66e7 100644
--- a/assets/javascripts/bootstrap/tooltip.js
+++ b/assets/javascripts/bootstrap/tooltip.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap tooltip.js v5.0.1 (https://getbootstrap.com/)
+  * Bootstrap tooltip.js v5.0.2 (https://getbootstrap.com/)
   * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -40,7 +40,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/index.js
+   * Bootstrap (v5.0.2): util/index.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -143,9 +143,18 @@
     return null;
   };
 
+  const DOMContentLoadedCallbacks = [];
+
   const onDOMContentLoaded = callback => {
     if (document.readyState === 'loading') {
-      document.addEventListener('DOMContentLoaded', callback);
+      // add listener on the first call when the document is in loading state
+      if (!DOMContentLoadedCallbacks.length) {
+        document.addEventListener('DOMContentLoaded', () => {
+          DOMContentLoadedCallbacks.forEach(callback => callback());
+        });
+      }
+
+      DOMContentLoadedCallbacks.push(callback);
     } else {
       callback();
     }
@@ -174,7 +183,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): util/sanitizer.js
+   * Bootstrap (v5.0.2): util/sanitizer.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -269,7 +278,7 @@
       const elName = el.nodeName.toLowerCase();
 
       if (!allowlistKeys.includes(elName)) {
-        el.parentNode.removeChild(el);
+        el.remove();
         continue;
       }
 
@@ -287,7 +296,7 @@
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.0.1): tooltip.js
+   * Bootstrap (v5.0.2): tooltip.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -456,8 +465,8 @@
       clearTimeout(this._timeout);
       EventHandler__default['default'].off(this._element.closest(`.${CLASS_NAME_MODAL}`), 'hide.bs.modal', this._hideModalHandler);
 
-      if (this.tip && this.tip.parentNode) {
-        this.tip.parentNode.removeChild(this.tip);
+      if (this.tip) {
+        this.tip.remove();
       }
 
       if (this._popper) {
@@ -562,8 +571,8 @@
           return;
         }
 
-        if (this._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {
-          tip.parentNode.removeChild(tip);
+        if (this._hoverState !== HOVER_STATE_SHOW) {
+          tip.remove();
         }
 
         this._cleanTipClass();
@@ -950,17 +959,7 @@
 
     static jQueryInterface(config) {
       return this.each(function () {
-        let data = Data__default['default'].get(this, DATA_KEY);
-
-        const _config = typeof config === 'object' && config;
-
-        if (!data && /dispose|hide/.test(config)) {
-          return;
-        }
-
-        if (!data) {
-          data = new Tooltip(this, _config);
-        }
+        const data = Tooltip.getOrCreateInstance(this, config);
 
         if (typeof config === 'string') {
           if (typeof data[config] === 'undefined') {