MS-35/Add delete item functionality in back office and display sale session ID

Closes MS-35

src/main/java/com/marketingconfort/mydressin/dtos/ProductDetailsCartDTO.java

@@ -18,5 +18,5 @@ public class ProductDetailsCartDTO {
     private double totalPrice;
     private ItemSource source;
     private ItemCartStatus status;
-    private Long sessionOrderId;
+    private long sessionOrderId;
 }