Fix noctalia config interfering with stylix

homes/julian/features/hyprland/default.nix

@@ -4,7 +4,15 @@
   config,
   lib,
   ...
-}: {
+}: let
+  # Apply lib.mkDefault to a whole attrset recursively, used for the noctalia config
+  mkDefaultsRec = value:
+    if builtins.isAttrs value
+    then lib.mapAttrs (_: mkDefaultsRec) value
+    else if builtins.isList value
+    then map mkDefaultsRec value
+    else lib.mkDefault value;
+in {
   imports = [
     # inputs.hyprland.homeManagerModules.default
     # ./waybar
@@ -37,7 +45,8 @@
   programs.noctalia-shell = {
     enable = true;
     # noctalia-shell ipc call state all | jq .settings | xclip
-    settings = lib.mkDefault (builtins.fromJSON (builtins.readFile ./noctalia.json));
+    # mkDefaultsRec used so that stylix can overwrite style options
+    settings = mkDefaultsRec (builtins.fromJSON (builtins.readFile ./noctalia.json));
   };
 
   home.packages = with pkgs; [