fix: use node property to determinante if node is auto created

Author: Marvin Kuhn

Resources/Private/Templates/Module/Index.html

@@ -43,7 +43,7 @@ <h3>
                                     <i class="fas fa-pencil-alt"></i>
                                 </f:link.action>
 
-                                <f:if condition="!{vocabulary.isAutoCreated}" >
+                                <f:if condition="!{vocabulary.node.autoCreated}" >
                                     <button class="neos-button neos-button-danger" title="{f:translate(id: 'generic.delete')}" data-toggle="modal" href="#deleteVocabulary_{vocabulary.node.identifier}" data-neos-toggle="tooltip">
                                         <i class="fas fa-trash-alt icon-white"></i>
                                     </button>