“UOM” dropdown on the Sales History panel

Sale Order edit form:

• If Order for the corresponding Customer was previously created with UOM item:
  • “UOM” dropdown:
    • was added to the Price Info panels for both tabs;
    • was added near the column selector;
    • UOM list in the dropdown is taken from the Set and Preselected Values from the current item;  
    • if in the dropdown UOM is selected:
      • in the Datagrid all Orders are converted to the selected UOM.