[PATCH v2 0/4] MR10755: dinput: Add proper support for DIPROP_JOYSTICKID and GUID_Joystick.

[Connor McAdams (＠cmcadams)]

This was also attempted in MR !6878.

--
  v2: dinput: Add support for GUID_Joystick.
      dinput/tests: Add tests for GUID_Joystick.
      dinput: Add support for DIPROP_JOYSTICKID.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10755