1236bf8f09
ShellUserVerifier was connecting to UserVerifierChoiceList signals using SignalTracker, but never disconnected those, leading to the corresponding SignalTracker being leaked. Closes: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/6395 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2637>