[IMP] purchase:  Add 'invoice status' field in list view of po.
[IMP] purchase:  Add 'invoice status' field in list view of po.

ygol/odoo,dfang/odoo,ygol/odoo,dfang/odoo,dfang/odoo,ygol/odoo,hip-odoo/odoo,ygol/odoo,dfang/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,dfang/odoo,dfang/odoo,hip-odoo/odoo,hip-odoo/odoo