public function update(UpdateClientSurveyBAInternal $request, ClientSurvey $id): RedirectResponse 	{ 		$id->update([ 			'start_date' => formatTimestamp($request->start_date, 'Y-m-d'), 			'end_date' => formatTimestamp($request->end_date, 'Y-m-d'), 			'number_of_employees' => $request->number_of_employees ?? 0, 			'status' => $request->status, 			'admin_comment' => $request->admin_comment, 			'comparable' => $request->boolean('comparable'), 			'free' => true, 		]);  		return $this->redirectFromSave('client-surveys-ba-internal.list'); 	}