Merge branch '23053-ci-tables-pagination' into 'master'

Resolve "Tables pagination is not responsive"

## What does this MR do?
Makes table pagination responsive.

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

## Why was this MR needed?
Table pagination was not responsive and was broken in smaller screens

## Screenshots (if relevant)
### Small screen
![small](/uploads/912c6813596ef9f992b3bf5a9ba141f1/small.png)
![small_big_numbers](/uploads/5add4c2ead1bd3fbf9f15f66e2dad178/small_big_numbers.png)

### Medium screen
![medium](/uploads/77774be45d83ad9bba127d0e020e2d48/medium.png)

### Large screen
![big](/uploads/ea30d115e7e2b915626faafa425687f6/big.png)

## Does this MR meet the acceptance criteria?

- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG.md) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [x] All builds are passing
- [x] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if it does - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?
Closes #23053

See merge request !7157

CHANGELOG.md

@@ -49,6 +49,7 @@ Please view this file on the master branch, on stable branches it's out of date.
 - Shortened merge request modal to let clipboard button not overlap
 - In all filterable drop downs, put input field in focus only after load is complete (Ido @leibo)
 - Improve search query parameter naming in /admin/users !7115 (YarNayar)
+- Fix table pagination to be responsive
 - Allow to search for user by secondary email address in the admin interface(/admin/users) !7115 (YarNayar)
 
 ## 8.13.3

app/assets/stylesheets/framework/pagination.scss

@@ -7,8 +7,70 @@
   .pagination {
     padding: 0;
   }
+
+  .gap,
+  .gap:hover {
+    background-color: $gray-light;
+    padding: $gl-vert-padding;
+    cursor: default;
+  }
 }
 
 .panel > .gl-pagination {
   margin: 0;
 }
+
+/**
+ * Extra-small screen pagination.
+ */
+@media (max-width: 320px) {
+  .gl-pagination {
+    .first,
+    .last {
+      display: none;
+    }
+
+    .page {
+      display: none;
+
+      &.active {
+        display: inline;
+      }
+    }
+  }
+}
+
+/**
+ * Small screen pagination
+ */
+@media (max-width: $screen-xs) {
+  .gl-pagination {
+    .pagination li a {
+      padding: 6px 10px;
+    }
+
+    .page {
+      display: none;
+
+      &.active {
+        display: inline;
+      }
+    }
+  }
+}
+
+/**
+ * Medium screen pagination
+ */
+@media (min-width: $screen-xs) and (max-width: $screen-md-max) {
+  .gl-pagination {
+    .page {
+      display: none;
+
+      &.active,
+      &.sibling {
+        display: inline;
+      }
+    }
+  }
+}

app/views/kaminari/gitlab/_gap.html.haml

@@ -4,6 +4,6 @@
 -#    total_pages:   total number of pages
 -#    per_page:      number of items to fetch per page
 -#    remote:        data-remote
-%li{class: "page"}
-  %span.page.gap
+%li
+  %span.gap
     = raw(t 'views.pagination.truncate')

app/views/kaminari/gitlab/_page.html.haml

@@ -6,5 +6,5 @@
 -#    total_pages:   total number of pages
 -#    per_page:      number of items to fetch per page
 -#    remote:        data-remote
-%li{class: "page#{' active' if page.current?}"}
+%li{class: "page#{' active' if page.current?}#{' sibling' if page.next? || page.prev?}"}
   = link_to page, url, {remote: remote, rel: page.next? ? 'next' : page.prev? ? 'prev' : nil}