
Commit 237ba24dbe
added corresponding API to the keyboard actor,
but ended up calling it on the KeyboardManager.
Add the expected method to KeyboardManager that forwards the request
to the keyboard.
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/5630
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2359>