public function index(DateRangeSearch $request): View 	{ 		$user = $request->user();  		$base_surveys = Survey::ppiSurveys()->latest('year')->get(['id', 'title', 'relevant']); 		$selected_base_survey_filter = $request->selected_base_survey_filter ?? $base_surveys->first()?->getKey();  		$client_surveys = ClientSurvey::where('survey_type', SurveyType::PPI->value) 		->base() 		->with('domain') 		->withCount(['applicants as survey_ppi_applicants_count']) 		->where('survey_id', $selected_base_survey_filter)->latest()->get();  		return view('client-surveys-ppi.list', compact('client_surveys', 'base_surveys', 'selected_base_survey_filter')); 	}