rdp: Update cursor position on most mouse messages
requested to merge derekf/weston:mm/opportunistically_update_cursor_position_from_more_RDP_PDUs into main
The RDP spec says we can trust x, y position on all messages except PTR_FLAGS_WHEEL and PTR_FLAGS_HWHEEL, so let's do that to ensure proper sync with the RDP client.
Co-authored-by: Steve Pronovost spronovo@microsoft.com Co-authored-by: Brenton DeGeer brdegeer@microsoft.com Signed-off-by: Hideyuki Nagase hideyukn@microsoft.com Signed-off-by: Steve Pronovost spronovo@microsoft.com Signed-off-by: Brenton DeGeer brdegeer@microsoft.com