nix: permissive defaults nixos test

Adapted from nixos sway integration tests.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

flake.lock

@@ -1,12 +1,33 @@
 {
   "nodes": {
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1733951536,
+        "narHash": "sha256-Zb5ZCa7Xj+0gy5XVXINTSr71fCfAv+IKtmIXNrykT54=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "1318c3f3b068cdcea922fa7c1a0a1f0c96c22f5f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-24.11",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1733348545,
-        "narHash": "sha256-b4JrUmqT0vFNx42aEN9LTWOHomkTKL/ayLopflVf81U=",
+        "lastModified": 1734298236,
+        "narHash": "sha256-aWhhqY44xBjMoO9r5fyPp5u8tqUNWRZ/m/P+abMSs5c=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9ecb50d2fae8680be74c08bb0a995c5383747f89",
+        "rev": "eb919d9300b6a18f8583f58aef16db458fbd7bec",
         "type": "github"
       },
       "original": {
@@ -18,6 +39,7 @@
     },
     "root": {
       "inputs": {
+        "home-manager": "home-manager",
         "nixpkgs": "nixpkgs"
       }
     }