[FIX] website_sale_delivery: we should be able to pay if the order only contains services
[FIX] website_sale_delivery: we should be able to pay if the order only contains services

Two use cases must work:
Should hide payment AND display errors when order contains deliverable product

Should show payment AND not display errors when order contains only services (event tickets)

Linked OPW 1864744
Linked PR v11.0 #25679
closes #25692

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo