The label needs to be center-aligned vertically so it's positioned in
the middle of the surrounding box, not at the top.
https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/967
this._box = new St.Bin({ y_align: Clutter.ActorAlign.START });
container.add_actor(this._box);
- this._label = new St.Label();
+ this._label = new St.Label({ y_align: Clutter.ActorAlign.CENTER });
this._label.clutter_text.set_line_wrap(true);
this._label.clutter_text.set_ellipsize(Pango.EllipsizeMode.NONE);
container.add_actor(this._label);