fix(#2177): set absolute fill to backdrop default style

Author: gorhom

src/components/bottomSheetBackdrop/BottomSheetBackdrop.tsx

@@ -104,7 +104,6 @@ const BottomSheetBackdropComponent = ({
         [0, 0, opacity],
         Extrapolation.CLAMP
       ),
-      flex: 1,
     }),
     [animatedIndex, appearsOnIndex, disappearsOnIndex, opacity]
   );

src/components/bottomSheetBackdrop/styles.ts

@@ -2,6 +2,7 @@ import { StyleSheet } from 'react-native';
 
 export const styles = StyleSheet.create({
   container: {
+    ...StyleSheet.absoluteFillObject,
     backgroundColor: 'black',
   },
 });