sources/ldap: only warn about missing groups when source is configured to sync groups

closes #4392

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

authentik/sources/ldap/sync/membership.py

@@ -77,6 +77,7 @@ class MembershipLDAPSynchronizer(BaseLDAPSynchronizer):
         if group_uniq not in self.group_cache:
             groups = Group.objects.filter(**{f"attributes__{LDAP_UNIQUENESS}": group_uniq})
             if not groups.exists():
+                if self._source.sync_groups:
                     self.message(
                         f"Group does not exist in our DB yet, run sync_groups first: '{group_dn}'",
                         group=group_dn,