New in-game menu button action: "Quick menu" + fix quitting RetroArch from arcade games

[Aemiii91]

Changes

• Add option in Tweaks:
  • In-game: Menu button - ... < Quick menu >
  • Toggles RetroArch's quick menu
• Use UDP protocol to exit RetroArch
  • Fixes issues with exiting from arcade games

Try it

Test patch available here: Onion_v4.3.1-1__menu_button_UDP_actions.zip