Merge pull request #4627 from neos/bugfix/workspace-module-use-correc…

…t-site-node

BUGFIX: Set correct siteNode in WorkspaceController

Neos.Neos/Classes/Controller/Module/Management/WorkspacesController.php

@@ -792,7 +792,7 @@ protected function computeSiteChanges(Workspace $selectedWorkspace, ContentRepos
                         }
                     }
                     if ($this->getNodeType($ancestor)->isOfType(NodeTypeNameFactory::NAME_SITE)) {
-                        $siteNode = $documentNode;
+                        $siteNode = $ancestor;
                     }
                 }