message: Moved toolbar inside collapsing bar
diff: @@ -25,6 +25,8 @@ var NavigationBar = ({hidden, logo, navigationImage, overflowImage, scrollFlags
  ), []);
  var flags = (typeof scrollFlags === 'string' ? [scrollFlags] : scrollFlags)
  .reduce((flags, flag) => flags | constants.ScrollFlag[flag], 0);
  + var collapsingBar = childrenArray.find(({type}) => type === CollapsingBar);
  + var Container = collapsingBar ? CollapsingBar : React.Fragment;
  return (
  <>
  <NVNavigationBar
  @@ -32,8 +34,8 @@ var NavigationBar = ({hidden, logo, navigationImage, overflowImage, scrollFlags
  {...otherProps}
  style={Platform.OS === 'android' ? {height: 56} : undefined}>
  {Platform.OS === 'ios' ? children :
  - <>
  - {childrenArray.find(({type}) => type === CollapsingBar)}
  + <Container>
  + {collapsingBar && collapsingBar.props.children}
  <NVToolbar
  menuItems={menuItems}
  logo={Image.resolveAssetSource(logo)}
  @@ -49,7 +51,7 @@ var NavigationBar = ({hidden, logo, navigationImage, overflowImage, scrollFlags
  }}>
  {childrenArray.find(({type}) => type === TitleBar)}
  </NVToolbar>
  - </>}
  + </Container>}
  </NVNavigationBar>
  {Platform.OS === 'ios' ? null : childrenArray.find(({type}) => type === SearchBar)}
  </>
  