message: When `hide`ing autocomplete, also remove completion state
diff: @@ -172,7 +172,7 @@ export default class Autocomplete extends React.Component {
  }
  hide() {
  - this.setState({hide: true, selectionOffset: 0});
  + this.setState({hide: true, selectionOffset: 0, completions: [], completionList: []});
  }
  forceComplete() {
  