storedObject: add validation in properties where it is used

src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/AccompanyingPeriodWorkEvaluationDocument.php

@@ -20,6 +20,7 @@ use DateTimeInterface;
 use Doctrine\ORM\Mapping as ORM;
 use RuntimeException;
 use Symfony\Component\Serializer\Annotation as Serializer;
+use Symfony\Component\Validator\Constraints as Assert;
 
 /**
  * @ORM\Entity
@@ -88,6 +89,7 @@ class AccompanyingPeriodWorkEvaluationDocument implements \Chill\MainBundle\Doct
      * @Serializer\Groups({"read"})
      * @Serializer\Groups({"write"})
      * @Serializer\Groups({"accompanying_period_work_evaluation:create"})
+     * @Assert\Valid(traverse=true)
      */
     private ?StoredObject $storedObject = null;