fix error after BackendUserAuthenticator signature change

ot_core/Classes/Middleware/OtBackendUserAuthenticator.php

@@ -39,6 +39,6 @@ class OtBackendUserAuthenticator extends BackendUserAuthenticator
             return true;
         }
 
-        return parent::isLoggedInBackendUserRequired($route->getPath());
+        return parent::isLoggedInBackendUserRequired($route);
     }
 }