This introduces the somewhat completed version of the Player Select
Applet, allowing users to select either a user or a guest from the UI.
Note: Selecting the guest more then once currently does not work.
closes https://github.com/Ryubing/Ryujinx/issues/532
- misc: chore: optimize UserSelectorDialog closed handler
- misc: chore: Rename UserSelectorDialog to ProfileSelectorDialog
Co-authored-by: GreemDev <greemdev@ryujinx.app>
