Merge branch 'add-link-to-commit-avatar' into 'master'

Add link to profile to commit avatar

## What does this MR do?

- links to user profiles to the avatars on commits page
- tooltips to the avatars on commits page

side effect:

- links to user profiles to the avatars on pipelines page
- tooltips to the avatars on pipelines page
- tooltips to the avatars on activity page
- mailto links to the avatars on activity page for non-registered users

## Are there points in the code the reviewer needs to double check?

Nope.

## Why was this MR needed?

There were no links nor Zeldas.

## What are the relevant issue numbers?

fixes #19644 


See merge request !5163

3 files changed, 4 insertions, 7 deletions

diff --git a/app/views/events/_event.html.haml b/app/views/events/_event.html.haml
index e4629bae0e6..5c318cd3b8b 100644
--- a/app/views/events/_event.html.haml
+++ b/app/views/events/_event.html.haml
@@ -4,11 +4,7 @@
       #{time_ago_with_tooltip(event.created_at)}
 
     = cache [event, current_application_settings, "v2.2"] do
-      - if event.author
-        = link_to user_path(event.author) do
-          = image_tag avatar_icon(event.author_email, 40), class: "avatar s40", alt:''
-      - else
-        = image_tag avatar_icon(event.author_email, 40), class: "avatar s40", alt:''
+      = author_avatar(event, size: 40)
 
       - if event.created_project?
         = render "events/event/created_project", event: event
diff --git a/app/views/projects/ci/pipelines/_pipeline.html.haml b/app/views/projects/ci/pipelines/_pipeline.html.haml
index cb0ca7bc8e3..2f7d54f0bdd 100644
--- a/app/views/projects/ci/pipelines/_pipeline.html.haml
+++ b/app/views/projects/ci/pipelines/_pipeline.html.haml
@@ -27,7 +27,7 @@
 
       %p.commit-title
         - if commit = pipeline.commit
-          = commit_author_avatar(commit, size: 20)
+          = author_avatar(commit, size: 20)
           = link_to_gfm truncate(commit.title, length: 60), namespace_project_commit_path(@project.namespace, @project, commit.id), class: "commit-row-message"
         - else
           Cant find HEAD commit for this branch
diff --git a/app/views/projects/commits/_commit.html.haml b/app/views/projects/commits/_commit.html.haml
index c8c7b858baa..ab9afb06afb 100644
--- a/app/views/projects/commits/_commit.html.haml
+++ b/app/views/projects/commits/_commit.html.haml
@@ -9,7 +9,8 @@
 
 = cache(cache_key) do
   %li.commit.js-toggle-container{ id: "commit-#{commit.short_id}" }
-    = commit_author_avatar(commit, size: 36)
+    = author_avatar(commit, size: 36)
+
     .commit-info-block
       .commit-row-title
         %span.item-title