Some fixes for the move exception issues

Author: richardfullmer

Resources/views/storage/show_file.html.twig

@@ -176,7 +176,7 @@
         </div>
     </div>
 
-    {% if file.moveExceptions %}
+    {% if not file.moveExceptions.empty %}
     <div class="row">
         <div class="col-lg-12">
             <div class="ibox">