Hacks to work around gnome-shell popup-menu bug

[show-app-menu-on-key-press] / metadata.json

{"name": "Show App Menu on Key Press", "description": "Show the app menu when any key is pressed and all windows are closed or hidden", "uuid": "show-app-menu-on-key-press@delx.net.au", "shell-version": ["3.34.1"]}