Add sort arrow to OMS-Online

OMS web:

• E-Commerce tab:
  1. Filter panel on the Listings tab:
     • Were added the next filters:
       1. Qty From / Qty To:
          • after filling filters -> Qty filtration in the selected range is done; 
       2. Qty in Stock From / Qty in Stock To:
          • after filling filters -> Qty in Stock filtration in the selected range is done;
       3. Price From / Price To:
          • after filling filters -> Price filtration in the selected range is done;
  2. Datagrid:
     • Was added column sorting for the next columns:
       • Qty;
       • Qty in Stock;
       • Price; 
       • Sorting for columns is the same as on the Inventory tab:
         • after first clicking on the name of the column -> all elements in the table are sorting from small to bigger values; 
         • after second clicking on the name of the column -> all elements in the table are sorting from bigger to smaller values.