message: improve member name
diff: @@ -65,7 +65,7 @@ export default class Autocomplete extends React.PureComponent<IProps, IState> {
  autocompleter: Autocompleter;
  queryRequested: string;
  debounceCompletionsRequest: NodeJS.Timeout;
  - container: React.RefObject<HTMLDivElement>;
  + containerRef: React.RefObject<HTMLDivElement>;
  constructor(props) {
  super(props);
  @@ -90,7 +90,7 @@ export default class Autocomplete extends React.PureComponent<IProps, IState> {
  forceComplete: false,
  };
  - this.container = React.createRef();
  + this.containerRef = React.createRef();
  }
  componentDidMount() {
  @@ -268,12 +268,12 @@ export default class Autocomplete extends React.PureComponent<IProps, IState> {
  this._applyNewProps(prevProps.query, prevProps.room);
  // this is the selected completion, so scroll it into view if needed
  const selectedCompletion = this.refs[`completion${this.state.selectionOffset}`];
  - if (selectedCompletion && this.container.current) {
  + if (selectedCompletion && this.containerRef.current) {
  const domNode = ReactDOM.findDOMNode(selectedCompletion);
  const offsetTop = domNode && domNode.offsetTop;
  - if (offsetTop > this.container.current.scrollTop + this.container.current.offsetHeight ||
  - offsetTop < this.container.current.scrollTop) {
  - this.container.current.scrollTop = offsetTop - this.container.current.offsetTop;
  + if (offsetTop > this.containerRef.current.scrollTop + this.containerRef.current.offsetHeight ||
  + offsetTop < this.containerRef.current.scrollTop) {
  + this.containerRef.current.scrollTop = offsetTop - this.containerRef.current.offsetTop;
  }
  }
  }
  @@ -311,7 +311,7 @@ export default class Autocomplete extends React.PureComponent<IProps, IState> {
  }).filter((completion) => !!completion);
  return !this.state.hide && renderedCompletions.length > 0 ? (
  - <div className="mx_Autocomplete" ref={this.container}>
  + <div className="mx_Autocomplete" ref={this.containerRef}>
  { renderedCompletions }
  </div>
  ) : null;
  