public function applicants(ClientSurvey $id, GetApplicantEmailsByLanguage $request): View 	{ 		$clientSurvey = $id;  		$selected_language = $request->enum('language', DomainLanguages::class); 		$applicants = $id->applicants()->byLanguage($selected_language)->fillingOnlineSurvey()->whereNotNull('email')->get();  		$emails = $id->emailTemplates;  		return view('client-surveys.applicants', compact('applicants', 'emails', 'clientSurvey', 'selected_language')); 	}