“Pieces Per Unit” pop-up on the Sale Order edit form

Sale Order edit form:

• “Pieces Per Unit” button -> “Pieces Per Unit” pop-up is opened:
  • the all field are editable:
    • Pieces Per Unit2 -> can be filled by user;
    • Pieces Qty2 -> can be filled by user;
    • Result -> filled by the next formula:
      • (Pieces Qty2 / Pieces Per Unit2);
    • Rate Per Piece2 -> can be filled by user;
    • Rate by Unit -> filled by the next formula:
      • (Pieces by Unit2 * Rate by Piece2);
  • after save -> each of values is applied in the edit form.