input: Append a hidden ID number to the end of gamepad names
input: Append a hidden ID number to the end of gamepad names

Text following "##" does not show up in the GUI. But having it there
prevents issues when two gamepads have an identical name.

JoppyFurr/Snepulator,JoppyFurr/Snepulator,JoppyFurr/Snepulator,JoppyFurr/Snepulator,JoppyFurr/Snepulator,JoppyFurr/Snepulator