fix(userLocales): check Intl is implemented before checking if DateTimeFormat is implemented

Author: wopian

packages/preferred-locale/src/utils/userLocales/index.js

@@ -6,6 +6,6 @@
  */
 export const userLocales = fallback => {
   if (global?.navigator?.languages) return navigator.languages.concat([ fallback ])
-  if ('DateTimeFormat' in Intl) return [ Intl.DateTimeFormat().resolvedOptions().locale, fallback ]
+  if (Intl && 'DateTimeFormat' in Intl) return [ Intl.DateTimeFormat().resolvedOptions().locale, fallback ]
   return [ fallback ]
 }