Fix the nullable/optional situation. allow-none is deprecated and replaced by either or both of the others. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3296>
Fix the nullable/optional situation. allow-none is deprecated and replaced by either or both of the others. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3296>