fix problems rebuilding, make niri and noctalia more HM friendly

added `inputs` to `extraSpecialArgs`, giving homeModules access to helper functions
cleaned up the logic for the stylix file, removing the final `sharedModules` in the process in favour of `home-manager.users.grey`

modules/features/nixos/home-manager.nix

@@ -14,15 +14,11 @@
       useGlobalPkgs = true;
       useUserPackages = true;
       backupFileExtension = "bak";
+      extraSpecialArgs = {
+        inherit inputs;
+      };
+
       users.grey = self.homeModules.${config.info.hostName};
-      sharedModules = [
-        { features.nixos.stylix.enable = lib.mkDefault config.features.nixos.stylix.enable; }
-        ( lib.mkIf (config.features.nixos.stylix.enable) 
-          ( if (config.features.applications.gui.floorp.enable) then {
-            stylix.targets.floorp.profileNames = [ "default" ];
-          } else {})
-        )
-      ];
     };
   };
 }