message: Made tabBar a child of collapsingBar
diff: @@ -31,6 +31,7 @@ class NavigationBar extends React.Component<any, any> {
  ), []);
  var collapsingBar = childrenArray.find(({type}) => type === CollapsingBar);
  var tabBar = childrenArray.find(({type}) => type === TabBar);
  + tabBar = !collapsingBar ? tabBar : collapsingBar.props.children.find(({type}) => type === TabBar);
  var marginBottom = (collapsingBar && tabBar) ? (!tabBar.props.hasImages ? 48 : 72) : null;
  return (
  <>
  