[FIX] stock: always prefix fields of sql views
[FIX] stock: always prefix fields of sql views

If a module add a state field on another table used by this report,
PostgreSQL will report a:

```psycopg2.ProgrammingError: column reference "state" is ambiguous```

closes odoo/odoo#41350

X-original-commit: 16ae8aed10c72586a3a3e8b7484099263b0d7804
Signed-off-by: Nicolas Seinlet (nse) <ab382f291bd3e88e67361105a0ebfb3eced16f6c@odoo.com>

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