refactor(dotfiles): accept shared flake utilities

src/dotfiles/default.nix

@@ -2,10 +2,11 @@
   lib,
   inputs,
   self,
+  flakeUtil,
   root,
 }:
 let
-  util = import ./util.nix { inherit lib; };
+  util = import ./util.nix { inherit flakeUtil lib; };
 
   registry = import ./registry.nix {
     inherit lib;

src/dotfiles/util.nix

@@ -1,7 +1,4 @@
-{ lib }:
-let
-  flakeUtil = import ../flake/util.nix { inherit lib; };
-in
+{ flakeUtil, lib }:
 flakeUtil
 // {
   bridgeName = id: "br-vlan${toString id}";

src/flake/default.nix

@@ -14,6 +14,7 @@ let
       lib
       self
       ;
+    flakeUtil = util;
     root = root + "/configs/nixos";
   };
 in