[IMP] service: convert uid to int
[IMP] service: convert uid to int

Make sure the user id received by the RPC call is an integer

Avoids errors like #23534
Crash early in case of bad uid format instead of propagating another value
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo