Invalid argument(s): 'Unknown' is not one of the supported values: Manual, Automatic

[sirawatGG]

Describe the bug
First of all I am still in test mode. after I call confirmPayment, it throw me an error. However in Stripe dashboard, it shows that the payment success

To Reproduce
Steps to reproduce the behavior:

1. after I receive clientSecret from backend
2. I call dangerouslyUpdateCardDetails as below

await Stripe.instance.dangerouslyUpdateCardDetails(CardDetails(
        expirationMonth: 12,
        expirationYear: 34,
        number: '4242424242424242',
        cvc: '567',
      ));

3. I create billingDetails as below

    final billingDetails = BillingDetails(
      email: _email,
      phone: '+48888000888',
      address: Address(
        city: 'Houston',
        country: 'US',
        line1: '1459  Circle Drive',
        line2: '',
        state: 'Texas',
        postalCode: '77063',
      ),
    ); 

4. now I call confirmPayment as below

      await Stripe.instance.confirmPayment(
        paymentIntentClientSecret: clientSecret,
        data: PaymentMethodParams.card(
          paymentMethodData: PaymentMethodData(
            billingDetails: billingDetails,
          ),
        ),
      );

5. I get error Unknown is not one of the supported values: Manual, Automatic, but in the stripe dashboard the payment is success

Smartphone / tablet

• ios simulator

[remonh87]

Thanks for reporting created an PR that contains a fix.