[FIX] mrp: filter pending by default
[FIX] mrp: filter pending by default

Pending WO should not be displayed by default since they are not
expected to be launched yet.

opw-1934087

closes odoo/odoo#30586
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo