Resolve CE/EE diffs in admin users head

Part of single codebase changes.

app/views/admin/users/_head.html.haml

@@ -6,8 +6,7 @@
     %span.cred (Internal)
   - if @user.admin
     %span.cred (Admin)
-  - if @user.auditor
-    %span.cred (Auditor)
+  = render_if_exists 'admin/users/audtior_user_badge'
 
   .float-right
     - if impersonation_enabled? && @user != current_user && @user.can?(:log_in)

ee/app/views/admin/users/_auditor_user_badge.html.haml

+- if @user.auditor
+  %span.cred (Auditor)