
While having automatic completions is a very nice feature of gdctl (I had suggested to use it too :)), it's not something that distros may have by default and in particular it's not a package in main in ubuntu. So, make the code less restrictive on completions, since completions is not a core functionality of the tool and it can definitely work without them. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4279>