public function simpleUpdateAction(Request $request, ContentNode $contentNode)
    {
        return $this->updateAction($request, $contentNode, true);
    }
public function simpleUpdateAction(Request $request, ContentNode $contentNode)
    {
        return $this->updateAction($request, $contentNode, true);
    }
public function simpleUpdateAction ( Request $ request , ContentNode $ contentNode ) { return $ this -> updateAction ( $ request , $ contentNode , true ) ; }
validates the simple ContentNode Form

@param Request $request
@param ContentNode $contentNode
@return JsonResponse
validates the simple ContentNode Form