Cannot reproduce in new build (Whonix VirtualBox 15.0.0.3.3 - Debian buster based - Testers Wanted!).
dpkg -l | grep geoclue
?
Was due to missing Name= (and Comment=) in /etc/xdg/autostart/*.desktop files by Whonix and will be fixed in next build (and after package upgrades).
https://github.com/Whonix/Whonix/commit/7dbbd31500faec0f2bf5bb4ca13af45090792362