`payer` is deprecated in createOrder payload but it is not in the `paymentSource`

[cybertino]

Accorcing to official docs the payer prop has been deprecated in favor of paymentSource.paypal.payer:

https://developer.paypal.com/docs/api/orders/v2/#orders_create

but SDK does not reflect it.

[clee10]

Hey @cybertino, thank you for your feedback!

Our team will be looking into this, and we will notify once the fix is released.