tests: Add a test for "all_groups=no" to test_idmap_ad.sh

tests: Add a test for "all_groups=no" to test_idmap_ad.sh

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15605

Signed-off-by: Pavel Filipenský <pfilipensky@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Pavel Filipensky <pfilipensky@samba.org>
Autobuild-Date(master): Tue Apr  2 13:25:39 UTC 2024 on atb-devel-224

(cherry picked from commit f8b72aa1f72881989990fabc9f4888968bb81967)

Autobuild-User(v4-20-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-20-test): Wed Apr 17 14:38:42 UTC 2024 on atb-devel-224