vfs_default: also call vfs_offload_token_ctx_init in vfswrap_offload_write_send

vfs_default: also call vfs_offload_token_ctx_init in vfswrap_offload_write_send

If a client for whatever reason calls FSCTL_SRV_COPYCHUNK[_WRITE] without
FSCTL_SRV_REQUEST_RESUME_KEY, we call vfswrap_offload_write_send
before vfswrap_offload_read_send.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15664

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Noel Power <noel.power@suse.com>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Mon Jun 17 18:02:27 UTC 2024 on atb-devel-224