message: fix: Simply GuardedStream check
diff: @@ -36,9 +36,8 @@ export function isGuarded<T extends NodeJS.EventEmitter>(stream: T): stream is G
  */
  function guardingErrorListener(this: Guarded, error: Error): void {
  // Only fall back to this if no new listeners are attached since guarding started.
  - // Not storing the index when guarding starts since listeners could be removed.
  - const idx = this.listeners('error').indexOf(guardingErrorListener);
  - if (idx === this.listenerCount('error') - 1) {
  + const errorListeners = this.listeners('error');
  + if (errorListeners[errorListeners.length - 1] === guardingErrorListener) {
  this[guardedErrors].push(error);
  if (!this[guardedTimeout]) {
  this[guardedTimeout] = setTimeout((): void => {
  