Hotkeys such as PTT (push to talk), Joystick hotkey not working

General:
- Hotkeys as the push to talk (PTT) button can be defined under
settings -> hotkeys
- Hotkeys can be keyboard keys or joystick buttons
- Hotkeys are machine dependent , when you use a distributed version
of swift the hotkey can originate from your local machine or the
remote machine

Troubleshooting and testing:
- if a combination is not working delete it and add it again. It
can be that the identifier of the key has changed and the code hence
is not recognized).
- if you want to test a particular key combination, you can assign the
"swift hotkey test message" (see screenshot). You will see a small
popup when you press the key combination (indicating the combination
works).

- you can use the tooltip to see details in the hotkey dialog
