Just expose the extension to enable Wayland WSI. The current use case for this is being able to run Wayland clients on e.g. an offscreen compositor. Signed-off-by: Erico Nunes <nunes.erico@gmail.com> Reviewed-by: Frank Binns <frank.binns@imgtec.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37721>