ipatests: filter_users belongs to nss section
In the test test_sssd.py::TestSSSDWithAdTrust::test_is_user_filtered
the config file sssd.conf is modified with a parameter
filter_users written in the [domain/..] section but
the parameter should appear in [nss] section instead.
Fixes: https://pagure.io/freeipa/issue/8747
Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>