fix(packed_item): ensure proper names for ref integrity (backport #37597

) (#37794)

fix(packed_item): ensure proper names for ref integrity (#37597)

(cherry picked from commit fb0ec74)

Co-authored-by: David Arnold <dgx.arnold@gmail.com>

erpnext/selling/doctype/sales_order/sales_order.py

@@ -759,6 +759,8 @@ def set_missing_values(source, target):
 		if target.company_address:
 			target.update(get_fetch_values("Delivery Note", "company_address", target.company_address))
 
+		# set target items names to ensure proper linking with packed_items
+		target.set_new_name()
 		make_packing_list(target)
 
 	def condition(doc):