Fix Canceling of stale workflow cronjob

Refactor workflow cancellation logic to encapsulate transition checks in a dedicated method, and update CronJob handling to use entity workflows instead of IDs. Enhance test coverage to ensure proper handling and instantiate mocks for EntityManagerInterface.

src/Bundle/ChillMainBundle/Repository/Workflow/EntityWorkflowRepository.php

@@ -205,13 +205,13 @@ class EntityWorkflowRepository implements ObjectRepository
      *
      * @param \DateTimeImmutable $olderThanDate the date to compare against
      *
-     * @return list<int> the list of workflow IDs that meet the criteria
+     * @return iterable<EntityWorkflow>
      */
-    public function findWorkflowsWithoutFinalStepAndOlderThan(\DateTimeImmutable $olderThanDate): array
+    public function findWorkflowsWithoutFinalStepAndOlderThan(\DateTimeImmutable $olderThanDate): iterable
     {
         $qb = $this->repository->createQueryBuilder('sw');
 
-        $qb->select('sw.id')
+        $qb->select('sw')
             // only the workflow which are not finalized
             ->where(sprintf('NOT EXISTS (SELECT 1 FROM %s ews WHERE ews.isFinal = TRUE AND ews.entityWorkflow = sw.id)', EntityWorkflowStep::class))
             ->andWhere(
@@ -227,7 +227,7 @@ class EntityWorkflowRepository implements ObjectRepository
             ->setParameter('initial', 'initial')
         ;
 
-        return $qb->getQuery()->getResult();
+        return $qb->getQuery()->toIterable();
     }
 
     public function getClassName(): string