Add and update test handlers for suggested users retrieval

Introduced new test files for workflow handlers and adjusted existing `getSuggestedUsers` methods to handle related entity checks and duplicates removal. Also, modified repos to align with test dependencies.

src/Bundle/ChillPersonBundle/Repository/AccompanyingPeriod/AccompanyingPeriodWorkEvaluationDocumentRepository.php

@@ -19,9 +19,9 @@ use Doctrine\ORM\EntityRepository;
 use Doctrine\ORM\NonUniqueResultException;
 use Doctrine\Persistence\ObjectRepository;
 
-readonly class AccompanyingPeriodWorkEvaluationDocumentRepository implements ObjectRepository, AssociatedEntityToStoredObjectInterface
+class AccompanyingPeriodWorkEvaluationDocumentRepository implements ObjectRepository, AssociatedEntityToStoredObjectInterface
 {
-    private EntityRepository $repository;
+    private readonly EntityRepository $repository;
 
     public function __construct(EntityManagerInterface $em)
     {

src/Bundle/ChillPersonBundle/Repository/AccompanyingPeriod/AccompanyingPeriodWorkRepository.php

@@ -22,11 +22,11 @@ use Doctrine\ORM\Query\ResultSetMappingBuilder;
 use Doctrine\ORM\QueryBuilder;
 use Doctrine\Persistence\ObjectRepository;
 
-final readonly class AccompanyingPeriodWorkRepository implements ObjectRepository
+class AccompanyingPeriodWorkRepository implements ObjectRepository
 {
-    private EntityRepository $repository;
+    private readonly EntityRepository $repository;
 
-    public function __construct(private EntityManagerInterface $em)
+    public function __construct(private readonly EntityManagerInterface $em)
     {
         $this->repository = $em->getRepository(AccompanyingPeriodWork::class);
     }