I have several views where I list all the order items for each product with some fields from the order item types and the status of the order as an exposed filter. This works great for completed and draft orders. However, I would like to filter out orders where the payment is refunded. The order status doesn't change (from completed) so I can't use that. Using payment as a relation doesn't seem to help.
In short: How do I find out (in Views) if the order / payment is refunded?