message: Checked for search bar before cloning
  Otherwise throws error when no search bar
diff: @@ -6,7 +6,7 @@ const BottomAppBar = ({ navigationImage, overflowImage, children, style, ...prop
  if (Platform.OS === 'ios') return null;
  var childrenArray = (React.Children.toArray(children) as ReactElement<any>[]);
  var searchBar: any = childrenArray.find(({type}) => type === SearchBar);
  - searchBar = cloneElement(searchBar, { bottomBar: true })
  + searchBar = searchBar && cloneElement(searchBar, { bottomBar: true });
  return (
  <>
  <NVBottomAppBar
  