Adds a simple endpoint for accessing serial number information for a Part instance

- This is not included by default in the "part detail" endpoint as it must be calculated!

InvenTree/stock/templates/stock/item_base.html

@@ -433,6 +433,7 @@
 $("#stock-serialize").click(function() {
 
     serializeStockItem({{ item.pk }}, {
+        part: {{ item.part.pk }},
         reload: true,
         data: {
             quantity: {{ item.quantity }},