Update the BIOS Dialog

[KallynGowdy]

:rocket: Features

• Updated the BIOS dialog with various visual improvements.
• The default BIOS options have been updated:
  • enter join code
  • local
  • studio
  • free
  • sign in
  • sign up
  • sign out

:bug: Bug Fixes

• Fixed an issue where selecting an option in the BIOS would fail to actually show the selected option.

Closes #505