Method onSuccess

packages/firebase-auth/index.android.ts:987–994

(success)

				email,
				new org.nativescript.firebase.auth.FirebaseAuth.Callback({
					onSuccess(success) {
						const nativeArray = success.getSignInMethods().toArray();
						const arr = [];
						for (let i = 0; i < nativeArray.length; i++) {
							arr.push(nativeArray[i]);
						}
						resolve(arr);
					},
					onError(error) {
						reject({
							message: error.getMessage(),