Add APNS config for push notification in mobile phone

application/src/main/java/org/thingsboard/server/service/notification/provider/DefaultFirebaseService.java

@@ -22,6 +22,8 @@ import com.google.auth.oauth2.GoogleCredentials;
 import com.google.firebase.FirebaseApp;
 import com.google.firebase.FirebaseOptions;
 import com.google.firebase.messaging.AndroidConfig;
+import com.google.firebase.messaging.ApnsConfig;
+import com.google.firebase.messaging.Aps;
 import com.google.firebase.messaging.FirebaseMessaging;
 import com.google.firebase.messaging.FirebaseMessagingException;
 import com.google.firebase.messaging.Message;
@@ -71,6 +73,11 @@ public class DefaultFirebaseService implements FirebaseService {
                 .setAndroidConfig(AndroidConfig.builder()
                         .setPriority(AndroidConfig.Priority.HIGH)
                         .build())
+                .setApnsConfig(ApnsConfig.builder()
+                        .setAps(Aps.builder()
+                                .setContentAvailable(true)
+                                .build())
+                        .build())
                 .putAllData(data)
                 .build();
         firebaseContext.getMessaging().send(message);