upd: clear warning

Deskripsi:
- update firebase > clear warning

No Issues

index.js

@@ -1,12 +1,15 @@
 // index.js
 import 'expo-router/entry'; // ⬅️ wajib ada agar expo-router tetap bekerja
 
-import messaging from '@react-native-firebase/messaging';
+import { getApp } from '@react-native-firebase/app';
+import { getMessaging, setBackgroundMessageHandler } from '@react-native-firebase/messaging';
 import AsyncStorage from '@react-native-async-storage/async-storage';
 
-// ✅ Firebase background handler — wajib diletakkan DI SINI
-messaging().setBackgroundMessageHandler(async remoteMessage => {
+// ✅ Ambil instance messaging modular
+const mess = getMessaging(getApp());
 
+// ✅ Firebase background handler — wajib diletakkan DI SINI
+setBackgroundMessageHandler(mess, async remoteMessage => {
   const screen = remoteMessage?.data?.category;
   const content = remoteMessage?.data?.content;