Successful payment on iOS brings error

[michalowskim]

Describe the bug
After a successful payment on iOS using presentPaymentSheet method, error
type 'List<dynamic>' is not a subtype of type 'Map<String, dynamic>?' #0 MethodChannelStripe.presentPaymentSheet (package:stripe_platform_interface/src/method_channel_stripe.dart:265:37) <asynchronous suspension> #1 Stripe.presentPaymentSheet (package:flutter_stripe/src/stripe.dart:517:12) <asynchronous suspension>
occurs

To Reproduce
Steps to reproduce the behavior:
Just make an successful payment on iOS using presentPaymentSheet method.

Expected behavior
No error occurs when payment is successful

Additional context
iOS sdk on successful payment return empty list as a result. Someone just removed the check if the result coming from presentPaymentSheet is a list despite the fact that there was a comment saying that iOS returns empty list on success.

[jonasbark]

Duplicate of #1321