This happens if any of the vendor-specific reports is used.

SDL triggers the mode switch when calling SDL_GameControllerSetSensorEnabled()
on supported devices.

This is a one-way transition, i.e. cannot be undone without restarting
the controller, so it's fine to have it tied to lifetime of winebus.
Signed-off-by: Arkadiusz Hiler <ahiler@codeweavers.com>
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>