Use tryEval when reading users.users.<name>.uid so configured NixOS UIDs still propagate to home.uid while nix-darwin users without a UID do not trigger a no-value-defined eval error. Refs #8351
Use tryEval when reading users.users.<name>.uid so configured NixOS UIDs still propagate to home.uid while nix-darwin users without a UID do not trigger a no-value-defined eval error. Refs #8351