mkStandardFeatureFlakeModule: try different way of declaring option

flake.nix

@@ -53,7 +53,7 @@
 
     mkStandardFeatureFlakeModule = moduleName: { optionName, optionDefinition, systemConfig, homeConfig }: {
       imports = [ (mkMirroredModulesFlakeModule "${moduleName}Options" ({ lib, ... }: {
-        options.${optionName} = optionDefinition;
+        options = setAttrByStrPath optionName optionDefinition;
       })) ];
 
       flake.nixosModules.${moduleName} = { lib, config, ... }: {