[IMP] product: Convert product label xsl report in qweb report

Task: https://www.odoo.com/web#id=9122&view_type=form&model=project.task&menu_id=3942&action=327
pad: https://pad.odoo.com/p/r.gKp5rNdanZoHORRw

Remove count  condition for comma, use join and map function like this
"', '.join(map(lambda x: x.name,product.attribute_value_ids))