fix: do not recalculate qty for batch items during reposting

(cherry picked from commit 0753c018d2)

erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py

@@ -964,6 +964,9 @@ class StockReconciliation(StockController):
 			if voucher_detail_no != row.name:
 				continue
 
+			if row.current_qty < 0:
+				return
+
 			val_rate = 0.0
 			current_qty = 0.0
 			if row.current_serial_and_batch_bundle: