Merge branch 'fix-overflow-slash-commands' into 'master'

Fixed overflow on mobile screens for the slash commands

Closes #29013

See merge request !12100

app/assets/stylesheets/framework/markdown_area.scss

@@ -174,3 +174,14 @@
     white-space: nowrap;
   }
 }
+
+@media(max-width: $screen-xs-max) {
+  .atwho-view-ul {
+    width: 350px;
+  }
+
+  .atwho-view ul li {
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+}

changelogs/unreleased/fix-overflow-slash-commands.yml

+---
+title: Fixed overflow on mobile screens for the slash commands
+merge_request:
+author: