[FIX] website_sale: default pricelist is user pricelist

request.website.user_id corresponds to the public user, while we want to
select the default pricelist of the connected user.

Moreover, if the connected user doesn't have the appropriate access
rights, it will cause a Forbidden Access error.

opw-653792

addons/website_sale/models/sale_order.py

@@ -185,8 +185,9 @@ class website(orm.Model):
         :returns: pricelist recordset
         """
         isocountry = request.session.geoip and request.session.geoip.get('country_code') or False
+        user_id = self.pool['res.users'].browse(cr, uid, request.uid or uid, context=context)
         pl_ids = self._get_pl(cr, uid, isocountry, show_visible,
-                              request.website.user_id.partner_id.property_product_pricelist.id,
+                              user_id.partner_id.property_product_pricelist.id,
                               request.session.get('website_sale_current_pl'),
                               request.website.website_pricelist_ids)
         return self.pool['product.pricelist'].browse(cr, uid, pl_ids, context=context)