Merge branch '336553-epic-split-dropdown-menu-overlaps-note-in-epic-show-page' into 'master'

Resolve "Epic split dropdown menu overlaps note in epic show page"

See merge request gitlab-org/gitlab!66498

ee/app/assets/stylesheets/page_bundles/epics.scss

@@ -58,6 +58,8 @@
 }
 
 .epic-tabs-content {
+  overflow: visible;
+
   .roadmap-container {
     min-height: 600px;
 

ee/app/views/groups/epics/show.html.haml

@@ -41,7 +41,7 @@
             %a#roadmap-tab{ href: '#roadmap', data: { toggle: 'tab' } }
               = _('Roadmap')
 
-  .tab-content.epic-tabs-content.js-epic-tabs-content
+  .epic-tabs-content.js-epic-tabs-content
     #tree.tab-pane.show.active
       .row
         %section.col-md-12