fix iOS11 safeArea - https://github.com/wix/react-native-navigation/issues/1858 (#1859)
fix iOS11 safeArea - https://github.com/wix/react-native-navigation/issues/1858 (#1859)


junedomingo/react-native-navigation,junedomingo/react-native-navigation,junedomingo/react-native-navigation,junedomingo/react-native-navigation