ExtensionUtils has been converted to ESM and split into two modules, for extensions and prefs respectively. Adjust to those changes. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/merge_requests/266>
ExtensionUtils has been converted to ESM and split into two modules, for extensions and prefs respectively. Adjust to those changes. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/merge_requests/266>