Added mass transfer of price from varieties to the main price of the product

Added mass transfer of price from varieties to the main price of the product. You can set the minimum price of the variety or the maximum. The function is in the section Settings, Store, Service.

Added mass transfer of price from varieties to the main price of the product

Added [product_group_id] for Google Merchant, as well as a field for specifying the Type of variation.
Added an editable email template about changing the status of an order.
Usability Improvement: Hiding the Search Field in Filters — Additional Parameter