ae58a827b9
The dist command only needs an up-to-date build directory, it does not require the project to be installed first. While the install step is generally quick, leaving the container file system alone can save a rebuild after the dist is done (for instance when testing a branch, then temporarily switching to the release branch for dist). Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3497>