Added sorting information fields in the admin center.

Added sorting information fields in the admin center. Sales statistics, products, categories, articles, etc. The field is displayed if a search is performed by any of the available parameters.

Added sorting information fields in the admin center.

Added support for a small icon for Store Categories, Manufacturers, and Collections
Updated import of manufacturers and collections. Added loading icons on import.
A new method for displaying the list of categories in the Store has been added.