post MR fixes

src/Entity/Message/Email.php

@@ -34,7 +34,7 @@ class Email extends AbstractMessage
 
     #[ORM\ManyToOne(inversedBy: 'emails')]
     #[ORM\JoinColumn(nullable: true)]
-    private ?Access $author;
+    private ?Access $author = null;
 
     #[ORM\OneToMany(mappedBy: 'email', targetEntity: ReportEmail::class, cascade: ['persist'], orphanRemoval: true)]
     #[ORM\JoinColumn(onDelete: 'cascade')]

src/Service/Mailer/Builder/AbstractBuilder.php

@@ -45,7 +45,6 @@ class AbstractBuilder implements AbstractBuilderInterface
     {
         $emailEntity = new EmailEntity();
         $emailEntity
-            ->setAuthor(null)
             ->setIsSystem(true)
             ->setAbout($subject)
             ->setDateSent(new \DateTime('now'))