protected function redirectFromSave(?string $route = null, array $params = []): RedirectResponse 	{ 		$redirect = null; 		$request = request();  		if ($request->has('save_and_return')) { 			$redirect = empty($request->save_and_return) ? back() : redirect($request->save_and_return); 		}  		$redirect = $redirect ?? (empty($route) ? back() : redirect()->route($route, $params));  		return $redirect->with('request_successful', __('global.request-successful')); 	}