fix bug ofdistrivution key in transaction

apps/warehouse/pos/api/v1/serializers.py

@@ -170,6 +170,8 @@ class InventoryQuotaSaleTransactionSerializer(serializers.ModelSerializer):
                 )
                 total_price += item.total_price
 
+                # IF WE DO NOT HAVE DISTRIBUTION, THEN IT IS A FREE PRODUCT TRANSACTION
+                if 'quota_distribution' in item_data.keys():
                     # create extra sale for distribution
                     create_extra_sale(transaction=transaction, sale_item=item)