[ios] Android hasPermission method

android/src/main/java/io/invertase/firebase/messaging/RNFirebaseMessaging.java

@@ -92,6 +92,11 @@ public class RNFirebaseMessaging extends ReactContextBaseJavaModule implements A
     }
   }
 
+  @ReactMethod
+  public void hasPermission(Promise promise) {
+    promise.resolve(true);
+  }
+
   @ReactMethod
   public void sendMessage(ReadableMap messageMap, Promise promise) {
     if (!messageMap.hasKey("to")) {

ios/RNFirebase/messaging/RNFirebaseMessaging.m

@@ -400,3 +400,4 @@ RCT_EXPORT_METHOD(unsubscribeFromTopic: (NSString*) topic) {
 @implementation RNFirebaseMessaging
 @end
 #endif
+