Configure systemd-resolved to use IPA's BIND
    
    IPA installer now instructs systemd-resolved to use IPA's BIND DNS
    server as primary DNS server.
    
    Fixes: https://pagure.io/freeipa/issue/8275
    Signed-off-by: Christian Heimes <cheimes@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>