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/Repository/EntityWorkflowSendViewRepository.php

@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Repository;
+
+use Chill\MainBundle\Entity\Workflow\EntityWorkflowSendView;
+use Doctrine\Persistence\ManagerRegistry;
+use Doctrine\Persistence\ObjectRepository;
+
+/**
+ * @template-implements ObjectRepository<EntityWorkflowSendView>
+ */
+class EntityWorkflowSendViewRepository implements ObjectRepository
+{
+    private readonly ObjectRepository $repository;
+
+    public function __construct(ManagerRegistry $registry)
+    {
+        $this->repository = $registry->getRepository($this->getClassName());
+    }
+
+    public function find($id): ?EntityWorkflowSendView
+    {
+        return $this->repository->find($id);
+    }
+
+    public function findAll()
+    {
+        return $this->repository->findAll();
+    }
+
+    public function findBy(array $criteria, ?array $orderBy = null, ?int $limit = null, ?int $offset = null): array
+    {
+        return $this->repository->findBy($criteria, $orderBy, $limit, $offset);
+    }
+
+    public function findOneBy(array $criteria): ?EntityWorkflowSendView
+    {
+        return $this->repository->findOneBy($criteria);
+    }
+
+    public function getClassName()
+    {
+        return EntityWorkflowSendView::class;
+    }
+}