Upgraded from 18.04 to 18.10.

The GTK theme and icons are working except the Gnome shell theme. It lists the package as installed but it doesn't show up in Gnome Tweaks.

$ apt-cache policy yaru-theme-gnome-shell yaru-theme-gnome-shell: Installed: 18.10.6 Candidate: 18.10.6 Version table: *** 18.10.6 500 500 http://us.archive.ubuntu.com/ubuntu cosmic/main amd64 Packages 500 http://us.archive.ubuntu.com/ubuntu cosmic/main i386 Packages 100 /var/lib/dpkg/status

I tried these commands but the problem persists: