Premiere Pro 23.4.0.37
Windows 11
To reproduce: set hot key "1" to minimize all tracks (setting only one is not enough it maintains the setting if its only one key that is changed), set another hotkey "2" to increase audio track height, set "3" to increase video track height -- should be enough.
click save.
Currently the new set hotkeys won't work, and if you go back to hotkey editor, they would be vanished also from it.