When move from a X window to a wayland window, the pointer position will not change, So last_xwindow will equal to now window. they are not parent relationship. and fix hotplug monitor detect when qt xcb remove dup RRTellChanged
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When move from a X window to a wayland window, the pointer position will not change, So last_xwindow will equal to now window. they are not parent relationship. and fix hotplug monitor detect when qt xcb remove dup RRTellChanged