Clone Config
This profile is used in installer images. It provides an editable
configuration.nix that imports all the modules that were also used
when creating the image in the first place. As a result it allows
users to edit and rebuild the live-system.
On images where the installation media also becomes an installation
target, copying over configuration.nix should be
disabled by setting installer.cloneConfig to
false. For example, this is done in
sd-image-aarch64-installer.nix.