message: Fix thread creation
diff: @@ -32,6 +32,7 @@ import dis from "../../dispatcher/dispatcher";
  import { ActionPayload } from '../../dispatcher/payloads';
  import { SetRightPanelPhasePayload } from '../../dispatcher/payloads/SetRightPanelPhasePayload';
  import { Action } from '../../dispatcher/actions';
  +import { MatrixClientPeg } from '../../MatrixClientPeg';
  interface IProps {
  room: Room;
  @@ -89,12 +90,15 @@ export default class ThreadView extends React.Component<IProps, IState> {
  };
  private setupThread = (mxEv: MatrixEvent) => {
  - const thread = mxEv.getThread();
  - if (thread) {
  + let thread = mxEv.getThread();
  + if (!thread) {
  + const client = MatrixClientPeg.get();
  + thread = new Thread([mxEv], this.props.room, client);
  + mxEv.setThread(thread);
  + }
  thread.on("Thread.update", this.updateThread);
  thread.once("Thread.ready", this.updateThread);
  this.updateThread(thread);
  - }
  };
  private teardownThread = () => {
  