[FIX] website_quote: price unit for suggested products

In a SO, the unit price of the suggested products must be computed with
the pricelist linked to this SO. Inspired from function 'product_id_change'
in model 'sale.order.line'.

opw:650168

addons/website_quote/models/order.py

@@ -317,6 +317,10 @@ class sale_order_option(osv.osv):
         if product.description_sale:
             self.name += '\n' + product.description_sale
         self.uom_id = product.product_tmpl_id.uom_id
+        if product and self.order_id.pricelist_id:
+            partner_id = self.order_id.partner_id.id
+            pricelist = self.order_id.pricelist_id.id
+            self.price_unit = self.order_id.pricelist_id.price_get(product.id, self.quantity, partner_id)[pricelist]
 
 
 class product_template(osv.Model):