[FIX] fields: on monetary fields, allow `x_currency_id` as currency field
[FIX] fields: on monetary fields, allow `x_currency_id` as currency field

OPW 704684

Elico-Corp/odoo_OCB,hip-odoo/odoo,hip-odoo/odoo,bplancher/odoo,ygol/odoo,bplancher/odoo,ygol/odoo,ygol/odoo,bplancher/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,ygol/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,ygol/odoo,ygol/odoo,bplancher/odoo,bplancher/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,hip-odoo/odoo,bplancher/odoo,ygol/odoo,Elico-Corp/odoo_OCB