More gamepad fixes.
More gamepad fixes.

Ignore gamepad "mapping" reported by browser mostly. Use ID to guess the type of the gamepad instead.
Also, rely on index reported by browser + id of gamepad as tag for gamepad when checking if it's in use or disconnected.

flukeout/games,flukeout/games,secretrobotron/games,flukeout/games,secretrobotron/games,secretrobotron/games