upgrade/port to 1.19.2 fabric

[NgoKimPhu]

Opening this PR just to preview the code changes, will need to revert fork-specific changes and do manual branch push if this is to be pulled to this upstream.

• [x] entry points
  • [x] mod menu
  • [x] multiplayer screen
  • [x] disconnect screen
• [x] multiplayer auth status
  • [x] recheck on click
• [x] reauth main config screen
• [x] auth flow
  • [x] saved profile
  • [x] xbox
  • [x] offline
• [x] persistence config file in config folder
  • [x] encryption for config file
• [x] multiple-profile support