Was removed recently but also wasn't really working before, this adds it to the debug UI (under the kiosk option) and also makes it properly reload the keys on launch & setting change.
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3631
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Co-authored-by: smiRaphi <neogt404@gmail.com>
Co-committed-by: smiRaphi <neogt404@gmail.com>