Merge branch 'issue-boards-issues-total-count' into 'master'

Add the total number of issues in the JSON response in issue board lists

## What does this MR do?

Add the total number of issues in the JSON response in issue board lists

## Why was this MR needed?

The issue board lists should always show the total number of issues in the list, not the current amount fetched by endless scroll.

Closes #21327

See merge request !5904

1 files changed, 9 insertions, 6 deletions

diff --git a/spec/javascripts/boards/mock_data.js.es6 b/spec/javascripts/boards/mock_data.js.es6
index 0c37ec8354f..f3797ed44d4 100644
--- a/spec/javascripts/boards/mock_data.js.es6
+++ b/spec/javascripts/boards/mock_data.js.es6
@@ -26,12 +26,15 @@ const listObjDuplicate = {
 
 const BoardsMockData = {
   'GET': {
-    '/test/issue-boards/board/lists{/id}/issues': [{
-      title: 'Testing',
-      iid: 1,
-      confidential: false,
-      labels: []
-    }]
+    '/test/issue-boards/board/lists{/id}/issues': {
+      issues: [{
+        title: 'Testing',
+        iid: 1,
+        confidential: false,
+        labels: []
+      }],
+      size: 1
+    }
   },
   'POST': {
     '/test/issue-boards/board/lists{/id}': listObj