[dynamicweb] Payment fails without a proper message
Steps to reproduce:
1. Choose a VM to buy at staging/dev servers for https://datacenterlight.ch
2. Register as a user and input card details in the "Make payment page". Ensure
that the card leads to a payment related error.
3. Add a valid SSH key in the next page
4. In the order confirmation page, press "Place Order"
5. Order fails and user is redirected to "Make payment page"
Observed behavior: Payment fails and the user is redirected to the card input page without proper error message
Expected: Inform the user about the error message from the payment gateway