
gjs has gotten less forgiving about missing getters/setters, and
commit 6aa1b817
missed the missing getter in the base policy class.
Most notifications use a policy subclass that already provides a
getter, but at least Main.notify() and friends don't; unbreak them
by fixing the base class.
https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1229