message: listen for platform change
diff: @@ -46,7 +46,7 @@ export const FixedLayout = ({
  const { colRef } = React.useContext(SplitColContext);
  const doResize = () =>
  setWidth(colRef?.current ? `${colRef.current.offsetWidth}px` : undefined);
  - React.useEffect(doResize, [colRef]);
  + React.useEffect(doResize, [colRef, platform]);
  useGlobalEventListener(window, "resize", doResize);
  return (
  