[m] Migrated deprecated options & lock update

modules/home/gui/theme/wallpaper-gen.nix

@@ -2,7 +2,7 @@
 
 let
   scheme = config.colorScheme;
-  colors = scheme.colors;
+  colors = scheme.palette;
   dither =
     "atkinson"; # none | floyd-steinberg | atkinson | jjn | burkes | sierra | sierra-lite
 in pkgs.stdenv.mkDerivation rec {