visible scroll for series list

src/screens/InAppScreens/MapScreen/MultipleSeriesModal/index.tsx

@@ -66,7 +66,8 @@ const MultipleSeriesModal = () => {
           <FlashList
             data={markers}
             keyExtractor={(item, index) => item.id.toString() + index.toString()}
-            showsVerticalScrollIndicator={false}
+            showsVerticalScrollIndicator={true}
+            persistentScrollbar={true}
             renderItem={({ item }) => (
               <TouchableOpacity style={styles.option} onPress={() => handleItemPress(item)}>
                 <View style={styles.imageContainer}>