s3: smbd: Sanitize any "server" and "share" components of SMB1 DFS paths to remove...

s3: smbd: Sanitize any "server" and "share" components of SMB1 DFS paths to remove UNIX separators.

Remove knownfail.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15419

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Jul 27 10:52:50 UTC 2023 on atb-devel-224

(cherry picked from commit 20df26b908182f0455f301a51aeb54b6044af580)

Autobuild-User(v4-18-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-18-test): Thu Aug 31 09:38:21 UTC 2023 on atb-devel-224