Save user info (#11572)

* Record user info when creating stock item

* Add unit test

* Add playwright test

src/backend/InvenTree/stock/api.py

@@ -1248,14 +1248,19 @@ class StockList(
             else:
                 # Create a single StockItem object
                 # Note: This automatically creates a tracking entry
-                item = serializer.save()
+                item = StockItem(**serializer.validated_data)
 
                 if status_value and not item.compare_status(status_value):
                     item.set_status(status_value)
 
                 item.save(user=user)
+                item.refresh_from_db()
 
-                response_data = [serializer.data]
+                response_data = [
+                    StockSerializers.StockItemSerializer(
+                        item, context=self.get_serializer_context()
+                    ).data
+                ]
 
         return Response(
             response_data,

src/backend/InvenTree/stock/test_api.py

@@ -1417,12 +1417,19 @@ class StockItemTest(StockAPITestCase):
         """Test the default location functionality, if a 'location' is not specified in the creation request."""
         # The part 'R_4K7_0603' (pk=4) has a default location specified
 
+        # Create a new StockItem instance
         response = self.post(
             self.list_url, data={'part': 4, 'quantity': 10}, expected_code=201
         )
 
         self.assertEqual(response.data[0]['location'], 2)
 
+        # Check that the item was associated with the correct user
+        item = StockItem.objects.get(pk=response.data[0]['pk'])
+        self.assertEqual(item.tracking_info_count, 1)
+        tracking = item.tracking_info.first()
+        self.assertEqual(tracking.user, self.user)
+
         # What if we explicitly set the location to a different value?
 
         response = self.post(