message: add null-guard for Autocomplete containerRef
diff: @@ -260,7 +260,7 @@ export default class Autocomplete extends React.PureComponent<IProps, IState> {
  behavior: "auto",
  block: "nearest",
  });
  - } else {
  + } else if (this.containerRef.current) {
  this.containerRef.current.scrollTo({ top: 0 });
  }
  }
  