[FIX] core: only check table existance in public schema
[FIX] core: only check table existance in public schema

This allow the use of tables defined in other schemas, like `domains`,
already defined in `information_schema`.

See #16651

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