Fix dispatcher.js

app/assets/javascripts/dispatcher.js

@@ -12,6 +12,7 @@ import notificationsDropdown from './notifications_dropdown';
 import groupAvatar from './group_avatar';
 import GroupLabelSubscription from './group_label_subscription';
 import LineHighlighter from './line_highlighter';
+import groupsSelect from './groups_select';
 import NewCommitForm from './new_commit_form';
 import Project from './project';
 import projectAvatar from './project_avatar';