Merge pull request #2323 from edx/studio/duplicate/public-visibility

Visual fix hides component action header when unit is in public mode as ...

cms/static/sass/views/_unit.scss

@@ -1212,7 +1212,7 @@ body.unit {
 
 .edit-state-public {
   .delete-draft,
-  .component-actions,
+  .wrapper-component-action-header,
   .new-component-item,
   .editing-draft-alert,
   .publish-draft-message,