[MIDI] Support MIDI device write-back

[2xAA]

Is your feature request related to a problem? Please describe.
Some MIDI controllers feature lights or an internal state. modV does not know the state of these devices until it receives input.

Currently when a preset is saved, the state of MIDI received is saved into the preset and on preset-load the device is left in the dark about the values read from the preset.

Describe the solution you'd like
modV should be able to send MIDI back to a device, if supported.

This could be in the form of a function on loading the preset, or on any UI change if the device is known and there is a mapping available.

Describe alternatives you've considered
Setting the preset MIDI to a known state before saving and matching that state on the device before loading the preset.

Additional context
This might be related to #296 - but could definitely exist separately.

[TimPietrusky]

Sounds super good, thank you @2xAA <3