smb: client: make use of smbdirect_socket_init_new() and smbdirect_connect_sync()

smb: client: make use of smbdirect_socket_init_new() and smbdirect_connect_sync()

This means we finally only use common functions in the client.

We still use the embedded struct smbdirect_socket and are
able to access internals, but the will be removed in the
next commits as well.

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>