private async Task SelectCoordinator(UserDetailViewModel coordinator)
 {
     if (coordinator == null)
     {
         return;
     }
     SelectedCoordinator = coordinator;
     await _pageService.PushAsync(new UserDetailPage(coordinator));
 }
 public async Task SelectAdministrator(UserDetailViewModel administrator)
 {
     if (administrator == null)
     {
         return;
     }
     SelectedAdministrator = administrator;
     await _pageService.PushAsync(new UserDetailPage(administrator));
 }