[FIX] payment_adyen: convert the paymentAmount respecting the Adyen API
[FIX] payment_adyen: convert the paymentAmount respecting the Adyen API

Adyen requires the amount to be multiplied by 10^k,
where k depends on the currency code.
https://docs.adyen.com/developers/development-resources/currency-codes
Provides a map of codes to factors.

Before, k was assumed to be 2 (which is correct in most cases).

opw 1928918

closes odoo/odoo#32001

Signed-off-by: Nans Lefebvre (len) <a573b540d2dde90ba6da3b9d6286c8ec60c10044@odoo.com>
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo