message: fix storybook map loading
diff: @@ -228,7 +228,7 @@ export const EarnMapScreen: React.FC<IEarnMapScreen> =
  const backgroundColor = currSection < sectionsData.length ? palette.sky : palette.orange
  React.useEffect(() => {
  - const unsubscribe = navigation.addListener('focus', () => {
  + const unsubscribe = navigation?.addListener('focus', () => {
  StatusBar.setBackgroundColor(color.transparent)
  StatusBar.setBarStyle("light-content")
  StatusBar.setTranslucent(true)
  @@ -238,7 +238,7 @@ export const EarnMapScreen: React.FC<IEarnMapScreen> =
  }, [navigation]);
  React.useEffect(() => {
  - const unsubscribe = navigation.addListener('blur', () => {
  + const unsubscribe = navigation?.addListener('blur', () => {
  StatusBar.setTranslucent(false)
  StatusBar.setBarStyle("dark-content")
  StatusBar.setBackgroundColor(palette.lighterGrey)
  