dd8ee2931a
The mod takes care of wrapping at the top, but not when decrementing 0. Fix this by using Array.prototype.at(), which handles negative indexes. Close https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/issues/467 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/merge_requests/284>