I can confirm that this is a problem, thank you for reporting it. I have not looked into how GNOME Software works but I do wonder if it's one of the files in the freecad-common package that is being used for the GUI entry...
- Bug#981175: freecad: when installed with Gnome Software, on... Yvan Masson
- Bug#981175: freecad: when installed with Gnome Softwar... Kurt Kremitzki