3ef718d34c
Commitc72b8b21fixed the styling of the active window's button, but missed that the `active` property uses the style information as well. Adjust it to use the correct actor when checking for the style class. Closes https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/issues/529 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/merge_requests/342> (cherry picked from commita5a92026ac)