add 'ipv4_dhcp_client_id_mac_default' test
Created by: fpokryvk
add 'ipv4_dhcp_client_id_default' tests
Add tests, that with internal plugin, client ID is:
- duid is used with NM 1.12-1.14
- duid is used on RHEL7
- mac is used with NM 1.16+
- mac is used on RHEL8
https://bugzilla.redhat.com/show_bug.cgi?id=1661165
@Build:nm-1-14