message: Update return type for getThread prop
diff: @@ -37,11 +37,12 @@ import { MediaEventHelper } from "../../../utils/MediaEventHelper";
  import DownloadActionButton from "./DownloadActionButton";
  import SettingsStore from '../../../settings/SettingsStore';
  import { RoomPermalinkCreator } from '../../../utils/permalinks/Permalinks';
  +import ReplyThread from '../elements/ReplyThread';
  interface IOptionsButtonProps {
  mxEvent: MatrixEvent;
  getTile: () => any; // TODO: FIXME, haven't figured out what the return type is here
  - getReplyThread: () => any; // TODO: FIXME, haven't figured out what the return type is here
  + getReplyThread: () => ReplyThread;
  permalinkCreator: RoomPermalinkCreator;
  onFocusChange: (menuDisplayed: boolean) => void;
  }
  @@ -130,7 +131,7 @@ interface IMessageActionBarProps {
  reactions?: any;
  permalinkCreator?: RoomPermalinkCreator;
  getTile: () => any; // TODO: FIXME, haven't figured out what the return type is here
  - getReplyThread?: () => JSX.Element;
  + getReplyThread?: () => ReplyThread;
  onFocusChange?: (menuDisplayed: boolean) => void;
  }
  