public function updateApplicantSingleEmail(UpdateSingleApplicantEmail $request, Applicant $id): RedirectResponse 	{ 		$id->update([ 			'email' => $request->email, 			'default_language' => $request->default_language, 		]);  		return $this->redirectFromSave('client-surveys.applicants', ['id' => $id->client_survey_id]); 	}