add overlay to lock vscode version, git config into symlink

modules/capabilities/graphics.nix

@@ -11,14 +11,14 @@
     kdePackages.filelight
   ];
 in {
-  flake.nixosModules.graphics = { pkgs, ... }: {
+  flake.nixosModules.graphics = { pkgs, config, ... }: {
     imports = [ self.nixosModules.graphicsOptions ];
 
     environment.systemPackages = with pkgs; [
       wayland-utils
       mesa-demos
       vulkan-tools
-    ] ++ (if !config.features.nixos.home-manager.enable then (extraPackages pkgs) else []);
+    ] ++ (if !(config.features.nixos.home-manager.enable) then (extraPackages pkgs) else []);
 
     fonts.packages = with pkgs; [
       iosevka-comfy.comfy