[IMP] auth_oauth: Add missing field in form
[IMP] auth_oauth: Add missing field in form

Field `css_class` was not added on Views.
In this commit, we add this field on form view.
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo