s3: smbclient: In do_host_query(), if we need SMB1, ensure we select NT1 as...

s3: smbclient: In do_host_query(), if we need SMB1, ensure we select NT1 as the client max protocol" before continuing.

Remove knownfail: selftest/knownfail.d/list_servers

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14939

Signed-off-by: Jeremy Allison <jra@samba.org>