title: Dark Mode not working React Navigation React Native
body: <p>I Am working on this to implement Dark Mode in React Native using React Navigation. but it changes only the bottom bar navigator not the screens inside that. can you help me with this</p>
  <p>Snack Code</p>
  <p><a href="https://snack.expo.io/@belgin/news-app" rel="nofollow noreferrer">https://snack.expo.io/@belgin/news-app</a></p>
  <p><a href="https://i.stack.imgur.com/gCYTT.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/gCYTT.png" alt="" /></a></p>