Add message handling for public view creation

Introduce `PostPublicViewMessage` and `PostPublicViewMessageHandler` to handle external user views on public links by applying workflow transitions. Integrate with `WorkflowViewSendPublicController` and add relevant tests.

src/Bundle/ChillMainBundle/Controller/WorkflowViewSendPublicController.php

@@ -15,6 +15,7 @@ use Chill\MainBundle\Entity\Workflow\EntityWorkflowSend;
 use Chill\MainBundle\Entity\Workflow\EntityWorkflowSendView;
 use Chill\MainBundle\Workflow\EntityWorkflowManager;
 use Chill\MainBundle\Workflow\Exception\HandlerWithPublicViewNotFoundException;
+use Chill\MainBundle\Workflow\Messenger\PostPublicViewMessage;
 use Chill\MainBundle\Workflow\Templating\EntityWorkflowViewMetadataDTO;
 use Doctrine\ORM\EntityManagerInterface;
 use Psr\Log\LoggerInterface;
@@ -22,6 +23,7 @@ use Symfony\Component\Clock\ClockInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\Messenger\MessageBusInterface;
 use Symfony\Component\Routing\Annotation\Route;
 use Twig\Environment;
 
@@ -35,6 +37,7 @@ final readonly class WorkflowViewSendPublicController
         private EntityWorkflowManager $entityWorkflowManager,
         private ClockInterface $clock,
         private Environment $environment,
+        private MessageBusInterface $messageBus,
     ) {}
 
     #[Route('/public/main/workflow/send/{uuid}/view/{verificationKey}', name: 'chill_main_workflow_send_view_public', methods: ['GET'])]
@@ -75,6 +78,7 @@ final readonly class WorkflowViewSendPublicController
 
             $view = new EntityWorkflowSendView($workflowSend, $this->clock->now(), $request->getClientIp());
             $this->entityManager->persist($view);
+            $this->messageBus->dispatch(new PostPublicViewMessage($view->getId()));
             $this->entityManager->flush();
 
             return $response;