fix: Correct price list rate value in return si (#27097)

diff --git a/erpnext/controllers/sales_and_purchase_return.py b/erpnext/controllers/sales_and_purchase_return.py
index 80ccc6d..5ee1f2f 100644
--- a/erpnext/controllers/sales_and_purchase_return.py
+++ b/erpnext/controllers/sales_and_purchase_return.py
@@ -329,7 +329,6 @@
 			target_doc.po_detail = source_doc.po_detail
 			target_doc.pr_detail = source_doc.pr_detail
 			target_doc.purchase_invoice_item = source_doc.name
-			target_doc.price_list_rate = 0
 
 		elif doctype == "Delivery Note":
 			returned_qty_map = get_returned_qty_map_for_row(source_doc.name, doctype)
@@ -360,7 +359,6 @@
 			else:
 				target_doc.pos_invoice_item = source_doc.name
 
-			target_doc.price_list_rate = 0
 			if default_warehouse_for_sales_return:
 				target_doc.warehouse = default_warehouse_for_sales_return