Notes get "stuck"

[robomex]

Sometimes, typically when releasing multiple keys on the connected synthesizer at the same moment, SwiftUI's .onChange(of:) is called on the same frame – resulting in one of those calls not being executed. This results in a note's visualization to get "stuck on" even though the key is no longer being pressed and the note is no longer being played.

The "I'm going to ignore this" fix in place is the stuck key will be released on a subsequent release of that same key.