welcome to the forum,
fwiw, i do not use rclone smb remotes, instead using os mount commands.
might test that and see what happens.
i have a how-to guide comparing rclone smb versus os mount and simple command examples.
https://forum.rclone.org/t/how-to-access-smb-samba-with-rclone/42754
else maybe @kapitainsky knows better...