As of API version 2021-07, the GraphQL Admin API returns
XXX in response to an unrecognized currency code.
XXX is the ISO code used to denote transactions that involve no currency.
In mutations, a
CurrencyCode input value of
XXX is invalid.
XXX can only be returned as a result and not as an input value.
This change prevents order pages from breaking if payments include a currency code that's not in the list of [supported values for the