listToValue
Allows coercing lists to values. E.g. formats.ini { listToValue = lib.concatMapStringsSep ", " (lib.generators.mkValueStringDefault {}); }
As the only consequence of isSystemUser is that if the uid is null then it's allocated below 500, if a user has uid = something below 500 then we don't require isSystemUser to be set. Motivation: https://github.com/NixOS/nixpkgs/issues/112647
Co-Authored-By: Robert Hensing <robert@roberthensing.nl>
