Fix multi-screen drag-and-drop in WindowHeap
DND was failing with the following error
file:///data/projects/usr/lib/qml/org/kde/kwin/private/effects/WindowHeap.qml:96: TypeError: Cannot read property 'mapToGlobal' of undefined
DND was failing with the following error
file:///data/projects/usr/lib/qml/org/kde/kwin/private/effects/WindowHeap.qml:96: TypeError: Cannot read property 'mapToGlobal' of undefined