I also found out that there has been a pull request in the package https://github.com/ubuntu/gnome-shell-extension-appindicator/pull/231/files trying to fix this. That didn't work.
Related GitHub issue: https://github.com/ubuntu/gnome-shell-extension-appindicator/issues/235
I also found out that there has been a pull request in the package https:/ /github. com/ubuntu/ gnome-shell- extension- appindicator/ pull/231/ files trying to fix this. That didn't work.
Related GitHub issue: https:/ /github. com/ubuntu/ gnome-shell- extension- appindicator/ issues/ 235