WIndows/DPI awareness=0: QMenu displayed at different location if AA_DisableHighDpiScaling is set

In case of multi screen where one screen is 4k display. Context menu is not displayed at its position where the mouse is some time it displays on other screen and some time at other position.
Run attached example on extended screen setup

Bring the dock widget to 4k screen
then right click on primary screen you will context menu some time does not display and some time display at wrong position.