lingo: use distinct when querying transactions through items (#59103)

combo/apps/lingo/manager_views.py

@@ -116,6 +116,7 @@ class TransactionListView(ListView):
                 qs = qs.filter(
                     Q(order_id=query) | Q(bank_transaction_id=query) | Q(items__subject__icontains=query)
                 )
+                qs = qs.distinct()
             else:
                 date = make_aware(date)
                 qs = qs.filter(start_date__gte=date, start_date__lt=date + datetime.timedelta(days=1))