all application options will adapt to environment

when used either with nixos (no home-manager) or home-manager standalone, `features.applications.<name>.enable` options still perform some functionality, rather than assuming a full nixos + home-manager setup like before

modules/global/helpers.nix

@@ -28,6 +28,27 @@
           lib.attrsets.attrByPath (lib.strings.splitString "." strPath) null set;
         readOnly = true;
       };
+
+      homeManagerInheritEnableOptionElse = lib.mkOption {
+        # type = lib.types.functionTo lib.types.attrs;
+        default = optionName: systemAttrs: let
+          mkIfElse = with lib; p: yes: no: mkMerge [
+            (mkIf p yes)
+            (mkIf (!p) no)
+          ];
+
+          attrByStrPath = strPath: set:
+            lib.attrsets.attrByPath (lib.strings.splitString "." strPath) null set;
+
+          setAttrByStrPath = strPath: value:
+            lib.attrsets.setAttrByPath (lib.strings.splitString "." strPath) value;
+        in builtins.trace "hi" lib.mkIf (attrByStrPath optionName config) (mkIfElse (config.features.nixos.home-manager.enable) {
+          home-manager.sharedModules = [
+            ({ lib, ... }: (setAttrByStrPath optionName (lib.mkDefault true)))
+          ];
+        } (systemAttrs));
+        readOnly = true;
+      };
     };
   };