wip: modernized edit flow

src/Twig/AppRuntime.php

@@ -3,7 +3,7 @@
 namespace App\Twig;
 
 use App\BusProNet\DataProvider\CountryDataProvider;
-use App\Form\Model\BookingDtoInterface;
+use App\Form\Model\BookingDto;
 use App\Service\ParticipantEligibilityService;
 use Twig\Environment;
 use Twig\Extension\RuntimeExtensionInterface;
@@ -97,7 +97,7 @@ class AppRuntime implements RuntimeExtensionInterface
         return $this->countryDataProvider->get($nationality)?->nationality;
     }
 
-    public function isParticipantEligible(BookingDtoInterface $bookingDto, int $participantIndex): bool
+    public function isParticipantEligible(BookingDto $bookingDto, int $participantIndex): bool
     {
         return $this->participantEligibilityService->isParticipantEligible($bookingDto, $participantIndex);
     }