Skip dialog when only one game matches

[Deliphin]

When adding a game, SGDBoop opens a dialog box to verify what game you want it to apply to. I believe that if it only sees one applicable game, it should skip the dialog box and just apply. It would be more convenient.

If you're worried about it failing to detect the correct game causing it to apply art to the wrong game, then add a config file and have this as an option in it, default off.