message: Make Circuit UI safe to use with SSR
  Safely access `window.navigator`
diff: -const { platform } = navigator || {};
  -
  -const isIos = !!platform && /iPad|iPhone|iPod/.test(platform);
  +const isIos = (() => {
  + // For SSR compatibility
  + if (typeof window === 'undefined') {
  + return undefined;
  + }
  + const { platform } = window.navigator || {};
  + return !!platform && /iPad|iPhone|iPod/.test(platform);
  +})();
  export default isIos;
  