ipatests: ipa-client-install --subid adds entry in nsswitch.conf
    
    This testcase checks that when ipa-client-install command
    is run with --subid option, /etc/nsswitch.conf file is updated
    with the below entry
    
    subid: nss
    Related: https://pagure.io/freeipa/issue/9159
    
    Since the newly added testsuite required client
    system, hence modified the below yaml files to change the topology
    from *master_1repl to *master_1repl_1client in the below files
    
    gating.yaml
    nightly_latest.yaml
    nightly_rawhide.yaml
    
    Signed-off-by: Sudhir Menon <sumenon@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Michal Polovka <mpolovka@redhat.com>
    Reviewed-By: Stanislav Levin <slev@altlinux.org>
    Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>
    Signed-off-by: Sudhir Menon <sumenon@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Michal Polovka <mpolovka@redhat.com>
    Reviewed-By: Stanislav Levin <slev@altlinux.org>
    Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>