Give MIDI input some awareness of enharmonic context

Your idea

Every note input from a MIDI keyboard will be spelled according to how MuseScore would normally spell that note, in isolation, in the current key signature.

I'm not saying we should try to implement some magic harmonic-awareness system, but it would be nice if, when inputting notes via MIDI, the context of the current bar, at least, could be taken into consideration.

Problem to be solved

For example:

1. In C major, enter note input mode, play an A flat on a MIDI keyboard.
   
2. OK, it's come out as a G sharp. No problem. Press J to respell it as A flat.
3. Press A flat again on the keyboard to input the next note.
   
4. Rend garments, etc

I venture to suggest that if there's already an A flat in the bar, then if the user inputs that same pitch again, they probably want it spelled the same.

(One could take this further in future - while trying to avoid being too 'clever' - but this seems like it would be a nice first step.)

Prior art

No response

Additional context

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Checklist

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