890f5b591f
We override the :visible property for the keyboard actor, but don't provide a corresponding setter. The property is therefore read-only on the javascript level, and any attempt to set it will fail. https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2691 (cherry picked from commit 3ba4304da9077552c95e5a96d2bbdca5dd7088da)