public function update(StoreQuestionGroup $request, QuestionGroup $id): RedirectResponse 	{ 		$id->update([ 			'title' => [ 				'en' => $request->title_en ?? $id->getTranslation('title', 'en'), 				'hr' => $request->title_hr ?? $id->getTranslation('title', 'hr'), 				'bs' => $request->title_bs ?? $id->getTranslation('title', 'bs'), 				'mk' => $request->title_mk ?? $id->getTranslation('title', 'mk'), 				'sl' => $request->title_sl ?? $id->getTranslation('title', 'sl'), 				'sr' => $request->title_sr ?? $id->getTranslation('title', 'sr'), 				'fr' => $request->title_fr ?? $id->getTranslation('title', 'fr'), 				'de' => $request->title_de ?? $id->getTranslation('title', 'de'), 			], 		]);  		return $this->redirectFromSave('question-groups.list'); 	}