* Change type of payment requirements to string[]
* Add CanMakePaymentArgumentCart type and update CanMakePaymentArgument
* Add getCanMakePaymentArg function to get the arg, allows reusability
* Check saved methods gateway's to see if they can make payment
* Make canMakePaymentArg a dependency of the useMemo
* Remove await from sync function call
* Update variable names to better reflect what they store
* Add tests to ensure saved payment methods don't show if canPay is false
* Rename save-payment-method-options to tsx
* Update saved payment method options to TS
* Fix TS error in saved-payment-method-options test
Thomas Roberts