message: Popper: added ready flag for arrow mode, because we have to calc smallTargetOffsetSkidding before show
diff: @@ -58,6 +58,7 @@ export const Popper: React.FC<PopperProps> = ({
  ...restProps
  }: PopperProps) => {
  const [dropdownNode, setPopperNode] = React.useState(null);
  + const [ready, setReady] = React.useState(!arrow);
  const [smallTargetOffsetSkidding, setSmallTargetOffsetSkidding] = React.useState(0);
  const platform = usePlatform();
  @@ -69,6 +70,7 @@ export const Popper: React.FC<PopperProps> = ({
  if (targetWidth < ARROW_WIDTH + 2 * ARROW_PADDING) {
  setSmallTargetOffsetSkidding(ARROW_PADDING + ARROW_WIDTH / 2);
  }
  + setReady(true);
  }
  }, [arrow]);
  @@ -132,5 +134,5 @@ export const Popper: React.FC<PopperProps> = ({
  </div>
  );
  - return (<AppRootPortal forcePortal vkuiClass="PopperPortal">{dropdown}</AppRootPortal>);
  + return ready ? <AppRootPortal forcePortal vkuiClass="PopperPortal">{dropdown}</AppRootPortal> : null;
  };
  