bugfix: Add missing entityID to generated metadata in the admin interface.

modules/admin/lib/FederationController.php

@@ -511,6 +511,7 @@ class FederationController
         $metadata = $this->mdHandler->getMetaData($entityId, $set);
 
         $t = new Template($this->config, 'admin:show_metadata.twig');
+        $t->data['entityid'] = $entityId;
         $t->data['metadata'] = var_export($metadata, true);
         return $t;
     }

modules/admin/templates/show_metadata.twig

@@ -9,7 +9,7 @@
                 title="{% trans %}Copy to clipboard{% endtrans %}"><span class="fa fa-copy"></span></a>
         </div>
         <div id="metadata" class="code-box-content php">
-            {#- #}$metadata[{{ entityid }}] => {{ metadata|escape }};{# -#}
+            {#- #}$metadata["{{ entityid }}"] => {{ metadata|escape }};{# -#}
         </div>
     </div>
     <div class="center">