-- v8: winex11: Map message pos to physical DPI in move_resize_window. win32u: Avoid changing thread DPI context in process_hardware_message. win32u: Factor hardware message point DPI mapping together. win32u: Use map_window_points with explicit DPI over screen_to_client. win32u: Split hardware message window lookup to a separate helper. win32u: Use per-monitor DPI window_from_point in process_mouse_message. win32u: Parameterize window_from_point dpi. server: Pass window's per-monitor DPI in set_window_pos.