[FIX] product: access rights pricelist

If the price in a price list line is based on "Supplier Prices on the product form",
the model "product.supplierinfo" and "pricelist.partnerinfo" must be readable by the
public user.

opw:645709

addons/website_sale/security/ir.model.access.csv

@@ -14,3 +14,5 @@ access_product_attribute_public,product.attribute public,product.model_product_a
 access_product_attribute_value_public,product.attribute value public,product.model_product_attribute_value,,1,0,0,0
 access_product_attribute_price_public,product.attribute price public,product.model_product_attribute_price,,1,0,0,0
 access_product_attribute_line_public,product.attribute line public,product.model_product_attribute_line,,1,0,0,0
+access_product_supplierinfo_user,product.supplierinfo.user,product.model_product_supplierinfo,base.group_public,1,0,0,0
+access_pricelist_partnerinfo_user,pricelist.partnerinfo.user,product.model_pricelist_partnerinfo,base.group_public,1,0,0,0