setPos() takes a screen argument, however this argument
indicates which cursor should be moved only and is
not usable as an argument to toNativePixels() since
the position may be on a sibling screen.
Add call to QScreen::virtualSiblingAt to get the target
screen.
Task-number: QTBUG-99009
Pick-to: 6.3 6.2 5.15
Change-Id: I8714ebc93a283c58bc67911315f787c484fb0dd8
Reviewed-by: Liang Qi <liang.qi@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
eef865cdc5