fix: unlink darwin pkgs from global

flake.lock

@@ -2,9 +2,7 @@
   "nodes": {
     "nix-darwin": {
       "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
+        "nixpkgs": "nixpkgs"
       },
       "locked": {
         "lastModified": 1781761792,
@@ -22,6 +20,22 @@
       }
     },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1780930886,
+        "narHash": "sha256-rppURzHviaQN131F+nLiLdGfcb0uCd9gGP0E5+iw9MI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "8c3cede7ddc26bd659d2d383b5610efbd2c7a16e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1783187857,
         "narHash": "sha256-CoKGv2FwkvFwzsVLB/N89eFjr40puk/p51IMvIp+ddo=",
@@ -37,7 +51,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1782467914,
         "narHash": "sha256-inDx/w70OSJoJPqtKh0BrzAsbZZhpya7YgS43jHnhwg=",
@@ -53,13 +67,13 @@
     "root": {
       "inputs": {
         "nix-darwin": "nix-darwin",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_2",
         "spicetify-nix": "spicetify-nix"
       }
     },
     "spicetify-nix": {
       "inputs": {
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
         "systems": "systems"
       },
       "locked": {