[FIX] product: use product.pricelist in report product_pricelist
[FIX] product: use product.pricelist in report product_pricelist

We were using hr.contribution.register as a doc_model on the
product.pricelist report which makes no sense since it should show
pricelist informations

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