message: Fix clicking on copy link to thread wrongly opening thread
diff: @@ -656,6 +656,8 @@ export class UnwrappedEventTile extends React.Component<IProps, IState> {
  };
  private copyLinkToThread = async (evt: ButtonEvent): Promise<void> => {
  + evt.preventDefault();
  + evt.stopPropagation();
  const { permalinkCreator, mxEvent } = this.props;
  const matrixToUrl = permalinkCreator.forEvent(mxEvent.getId());
  await copyPlaintext(matrixToUrl);
  