message: [fix] - $event.path does not work in Safari and Firefox. Replace with $event.composedPath().
diff: @@ -211,7 +211,9 @@ export class NgDropdownPanelComponent implements OnInit, OnChanges, OnDestroy, A
  return;
  }
  - if ($event.target && $event.target.shadowRoot && $event.path && $event.path[0] && this._select.contains($event.path[0])) {
  + const path = $event.path || ($event.composedPath && $event.composedPath());
  +
  + if ($event.target && $event.target.shadowRoot && path && path[0] && this._select.contains(path[0])) {
  return;
  }
  