[FIX] stock: fix unreserve
[FIX] stock: fix unreserve

In the original commit 19116cc8782ace5a3, `action_assign` was called
on all `move_ids`. However, after API conversion, moves are filtered.

Closes #25886
opw-1868834

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