In the customerservice UI, e.g. carts and orders, we need to show only items for the markets CustomerServiceRepresentatives have access to. The markets available are returned from the market service.
The dropdown to filter e.g. carts and orders only shows the markets returned from the market service, but when no selection is made, the list shows items for all markets.
If no selection is made in the dropdwon, only items should be listed for the markets that are in the dropdown (returned from the market service