Stabilize test QMenu::QTBUG_89082_actionTipsHide() on Windows

Move the cursor out of the way to prevent it from interfering.
Amends 3f3d5e6716.

Task-number: QTBUG-89082
Pick-to: 5.15
Pick-to: 6.0
Change-Id: I0efbe2b5618a04e92839083a1bd3383e05d6ff93
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

tests/auto/widgets/widgets/qmenu/tst_qmenu.cpp

@@ -1369,6 +1369,9 @@ void tst_QMenu::QTBUG_89082_actionTipsHide()
     widget.resize(300, 200);
     centerOnScreen(&widget);
     widget.show();
+#if QT_CONFIG(cursor)
+    QCursor::setPos(widget.screen()->availableGeometry().topLeft() + QPoint(10, 10));
+#endif
     widget.activateWindow();
     QVERIFY(QTest::qWaitForWindowExposed(&widget));
     menu->popup(widget.geometry().topRight() + QPoint(50, 0));