helix: use upstream version

flake.nix

@@ -13,12 +13,20 @@
 
     packages = eachSystem (
       system: {
-        inherit (import ./packages pkgsFor.${system}) fish helix kakoune;
+        inherit
+          (import ./packages {
+            pkgs = pkgsFor.${system};
+            helix = inputs.helix.packages.${pkgs.system}.default;
+          })
+          fish
+          wrapped-helix
+          kakoune
+          ;
       }
     );
 
     apps = eachSystem (system: let
-      inherit (inputs.self.packages.${system}) fish helix;
+      inherit (inputs.self.packages.${system}) fish wrapped-helix;
     in {
       default = {
         type = "app";
@@ -26,7 +34,7 @@
       };
       helix = {
         type = "app";
-        program = "${helix}/bin/hx";
+        program = "${wrapped-helix}/bin/hx";
       };
     });
   };
@@ -51,5 +59,7 @@
       inputs.nixpkgs.follows = "nixpkgs";
       inputs.systems.follows = "systems";
     };
+
+    helix.url = "github:helix-editor/helix";
   };
 }