message: set state in ctor
diff: @@ -27,13 +27,14 @@ export default class MessageEditHistoryDialog extends React.Component {
  mxEvent: PropTypes.object.isRequired,
  };
  - componentWillMount() {
  - this.setState({
  + constructor(props) {
  + super(props);
  + this.state = {
  events: [],
  nextBatch: null,
  isLoading: true,
  isTwelveHour: SettingsStore.getValue("showTwelveHourTimestamps"),
  - });
  + };
  }
  loadMoreEdits = async (backwards) => {
  