refactor(Cancel): change to optional client locators
Validations have been changed, now only the provider's locator will be required and the customer is optional.
Sellers at 2021-11-03:
- Fastpayhotels (Direct) - [FPHD]
Validations have been changed, now only the provider's locator will be required and the customer is optional.
Sellers at 2021-11-03: