Fix Third Party Balance from changeset db33b1a23a4e

With the new report API, the records must be set explicitly to the context to
override the standard list.

issue4721
review15361003

account.py

@@ -2049,6 +2049,7 @@ class ThirdPartyBalance(Report):
         report_context['total_debit'] = sum((x['debit'] for x in objects))
         report_context['total_credit'] = sum((x['credit'] for x in objects))
         report_context['total_solde'] = sum((x['solde'] for x in objects))
+        report_context['records'] = objects
 
         return report_context