(From https://gitlab.winehq.org/wine/wine/-/merge_requests/6323)
-- v3: winewayland: Get rid of the window surface individual locks. winewayland: Introduce a new wayland_client_surface_create helper. winewayland: Get rid of window_surface reference from wayland_win_data. winewayland: Get rid of wayland_surface reference from window_surface. winewayland: Move window contents buffer to wayland_win_data struct. winewayland: Reset the buffer damage region immediately after copy. winewayland: Introduce a new get_window_surface_contents helper. winewayland: Introduce a new set_window_surface_contents helper. winewayland: Introduce a new ensure_window_surface_contents helper. winewayland: Post WM_WAYLAND_CONFIGURE outside of the surface lock.