fix: description missing in the XML (#16985)

diff --git a/erpnext/regional/italy/utils.py b/erpnext/regional/italy/utils.py
index f39b144..e56c98b 100644
--- a/erpnext/regional/italy/utils.py
+++ b/erpnext/regional/italy/utils.py
@@ -134,6 +134,7 @@
 						idx=len(items)+1,
 						item_code=reference_row.description,
 						item_name=reference_row.description,
+						description=reference_row.description,
 						rate=reference_row.tax_amount,
 						qty=1.0,
 						amount=reference_row.tax_amount,