Fix repositories to fetch entity linked to stored object

getSingleResult() replaced by getOneOrNullResult() to\ avoid error being thrown.
Fix naming of properties.

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

@@ -258,12 +258,12 @@ final readonly class AccompanyingPeriodWorkRepository implements ObjectRepositor
     {
         $qb = $this->repository->createQueryBuilder('acpw');
         $query = $qb
-            ->join('acpw.evaluations', 'acpwe')
+            ->join('acpw.accompanyingPeriodWorkEvaluations', 'acpwe')
             ->join('acpwe.documents', 'acpwed')
             ->where('acpwed.storedObject = :storedObject')
             ->setParameter('storedObject', $storedObject)
             ->getQuery();
 
-        return $query->getResult();
+        return $query->getOneOrNullResult();
     }
 }