[COMPONENT][Group] Add orderBy to query, as otherwise the feed order is wrong

components/Group/Controller/GroupFeed.php

@@ -80,6 +80,7 @@ class GroupFeed extends FeedController
                     WHERE act.object_type = 'note' AND act.id IN
                         (SELECT att.activity_id FROM \Component\Notification\Entity\Notification AS att WHERE att.target_id = :id)
                 )
+            ORDER BY n.created DESC
             EOF, ['id' => $group->getId()]);
 
         return [