message: fix(theme): fix $isDarkmode
diff: @@ -87,6 +87,7 @@ export const setupDarkMode = (): void => {
  updateDarkModeAttr(isDarkMode);
  // provide global helpers
  + if (!("$isDarkMode" in app.config.globalProperties))
  Object.defineProperties(app.config.globalProperties, {
  $isDarkMode: { get: () => isDarkMode.value },
  });
  