message: Allowed bottom sheet ref on ios
  Made a class component on ios so don't get warned when attaching ref. Even though it renders nothing on ios still get warned about attaching ref to function component
diff: @@ -37,6 +37,7 @@ class BottomSheet extends React.Component<any, any> {
  }
  }
  render() {
  + if (Platform.OS === 'ios') return null;
  var { expandedHeight, expandedOffset, peekHeight, halfExpandedRatio, hideable, skipCollapsed, draggable, children } = this.props
  const detents = (UIManager as any).getViewManagerConfig('NVBottomSheet').Constants.Detent
  return (
  @@ -77,4 +78,4 @@ const styles = StyleSheet.create({
  },
  });
  -export default Platform.OS === "android" ? BottomSheet : () => null;
  +export default BottomSheet;
  