add close icon to primary email layout ref

app/assets/javascripts/app/controllers/layout_ref.js.coffee

@@ -1600,7 +1600,7 @@ class PrimaryEmailRef extends App.ControllerContent
     @render()
 
   render: ->
-    @html App.view('layout_ref/primary_email')
+    @html App.view('layout_ref/primary_email')()
 
 App.Config.set( 'layout_ref/primary_email', PrimaryEmailRef, 'Routes' )
 

app/assets/javascripts/app/views/layout_ref/primary_email.jst.eco

@@ -5,7 +5,7 @@
     <form>
       <div class="modal-content">
         <div class="modal-header">
-          <div class="modal-close js-close"></div>
+          <div class="modal-close js-close"><%- @Icon('diagonal-cross') %></div>
 
           <h1 class="modal-title">New: User</h1>
         </div>