[feature request] make visible on midi part: automation envelope

[Impostor]

Just found out from @Tim E. Real that audio automation can be done in midi tracks.

I see that as a very handy feature: one can create dedicated automation tracks for any automation parameter, wherein all automation is held inside movable parts.

Now if only one could choose for each part which controller is drawn on the part in the arranger (like how panning is made visible), that would make it even more useful!

[onefang]

And even more useful would be if in general all the automation stuff worked the same. Which is the general case of what you are requesting.