message: [vcpkg] Show Empty Object on vcpkg --list when used with --x-json
  Thanks to for recommending using Json::stringify over my initial idea of simply printing an empty object
  Closes
diff: @@ -95,6 +95,9 @@ namespace vcpkg::Commands::List
  if (installed_ipv.empty())
  {
  + if (args.output_json())
  + System::print2(Json::stringify(Json::Object(), {}));
  + else
  System::print2("No packages are installed. Did you mean `search`?\n");
  Checks::exit_success(VCPKG_LINE_INFO);
  }
  