Work with suppliers on goods 'Upon request'

The following functions have been customized in the template:

• Automatic creation of orders to the supplier when customer orders are set to the ‘In progress’ status.
• Sending emails with products list to customers and suppliers depending on the order type.
• Margin calculation for products without ‘Upon request’ attribute and with specified purchase price.
• Margin calculation and shift of delivery dates for products with ‘Upon request’ attribute in customer orders.