I would be interested in this as well.
workaraound: if you also have auria, you can just make a mono track, paste the audio there, make a mono mixdown, and audiocopy it back into cubase.
I would be interested in this as well.
workaraound: if you also have auria, you can just make a mono track, paste the audio there, make a mono mixdown, and audiocopy it back into cubase.