[IMP] mass_mailing: default kanban view non grouped (as there is only 2 columns really used
[IMP] mass_mailing: default kanban view non grouped (as there is only 2 columns really used

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