message: Fix UnknownBody error message unalignment
diff: @@ -23,12 +23,12 @@ interface IProps {
  children?: React.ReactNode;
  }
  -export default forwardRef(({ mxEvent, children }: IProps, ref: React.RefObject<HTMLSpanElement>) => {
  +export default forwardRef(({ mxEvent, children }: IProps, ref: React.RefObject<HTMLDivElement>) => {
  const text = mxEvent.getContent().body;
  return (
  - <span className="mx_UnknownBody" ref={ref}>
  + <div className="mx_UnknownBody" ref={ref}>
  { text }
  { children }
  - </span>
  + </div>
  );
  });
  