ipa-client-install: Restart nisdomain service instead of starting
    
    To ensure new NIS domain name is loaded after ipa-client-install
    even in case when nisdomainname service is already running, we
    need to restart the service rather than starting it.
    
    https://fedorahosted.org/freeipa/ticket/4393
    
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>