It should be noted that this is not at all an unusual request. I was very surprised to see that Studio One could not do this.
Every professional DAW has this.
I asked about it here:
But the current workaround is to record your track then export the stem of that track to another location. Song/Export Stems. Then bring that track back in. You now have then, in a round about way, re-allocated the source of that track.
This forced workflow has one perk. It forces you to have back-ups of all of your recorded files for that song in one location. If you choose to keep them that is. And then you have your allocations here and there for performance during playback recording and mixing.
But we should not be forced into this workflow. Studio One really needs this feature to decide on a track by track basis where each recording is allocated before you record. And while in your song session.
The other consideration is doing sessions with musicians. This makes Studio One a very limited solution for multi-tracking live music. In fact, I would say, if you are recording at 192, it would be a deal killer and show stopper. Assuming your rig could handle it.