[IMP] e-commerce onboarding misc improvements [bst]

Task: https://www.odoo.com/web#id=10453&view_type=form&model=project.task&action=327
Pad: https://pad.odoo.com/p/r.eQNwZOFNkcYt31Sw
Yes I avoid to this type construction, this controller call from JSONRPC so I can add <code>&lt;p&gt;</code> element into <code>.js</code> file.