This isn't an Axe-FX bug. It's just the Midimate sending CCs that the looper responds to.
Another preset could be mapped to the scene with play IA off if needed. The only alternative to get both options would be assigning play to an external switch/pedal instead of MM button, but then choosing a preset could no longer start or stop the looper.
Ha, good thought, a separate Play switch via the Afx2's pedal/switch input (I'll do the pedal via the MM's input), I'll give it a go tonight, thanks!
My goal is to start the looper in whatever Scene I want, hit rec a second time for auto-play, then change Scenes while the looper plays to solo over it, then stop the looper when from whatever scene I'm in etc, so a external switch for play/stop would be perfect, with the MM doing rec/auto-play!
Brilliant!