Split InputEventSpy::tabletToolEvent and InputEventFilter::tabletToolEvent
It's a prerequisite to porting kwin away from Qt input events, which don't work as expected. See https://bugreports.qt.io/browse/QTBUG-121987 for more details.
It's a prerequisite to porting kwin away from Qt input events, which don't work as expected. See https://bugreports.qt.io/browse/QTBUG-121987 for more details.