- SweetAlert 10/11 compatibility - require SweetAlert extension 1.5.
- Fix #330 Fix system checks when extension 'id' is 0.
- Fix typo in confirm script that was causing some payments to show 'Payment Failed' on ThankYou page.
- Disable civicrmStripeConfirm script on ThankYou page if there is no paymentIntent to confirm (eg. non-recurring or delayed start-date).