Merge branch '47299-fix-board-overflow' into 'master'

Resolve "Projects dropdown within new issue action of Issue boards doesn't show up correctly"

Closes #47299

See merge request gitlab-org/gitlab-ce!19432

app/assets/stylesheets/pages/boards.scss

@@ -282,9 +282,6 @@
   box-shadow: 0 1px 2px $issue-boards-card-shadow;
   list-style: none;
 
-  // as a fallback, hide overflow content so that dragging and dropping still works
-  overflow: hidden;
-
   &:not(:last-child) {
     margin-bottom: 5px;
   }