✨(backend) domain accesses delete API

Allow to delete a access for a domain.

src/backend/mailbox_manager/api/permissions.py

@@ -21,3 +21,12 @@ class MailBoxPermission(core_permissions.IsAuthenticated):
         domain = models.MailDomain.objects.get(slug=view.kwargs.get("domain_slug", ""))
         abilities = domain.get_abilities(request.user)
         return abilities.get(request.method.lower(), False)
+
+
+class MailDomainAccessRolePermission(core_permissions.IsAuthenticated):
+    """Permission class to manage mailboxes for a mail domain"""
+
+    def has_object_permission(self, request, view, obj):
+        """Check permission for a given object."""
+        abilities = obj.get_abilities(request.user)
+        return abilities.get(request.method.lower(), False)