Cannot update pizza order status with event override permission

One-sentence description

Cannot update pizza order status with event override permission

Current behaviour / Reproducing the bug

1. Create a pizza event for a committee you're not a member of
2. Be no superuser but have override event permission
3. Try to change the payment status of an order of said pizza event
4. Unable to change, 404 from API

Expected behaviour

1. Create a pizza event for a committee you're not a member of
2. Be no superuser but have override event permission
3. Try to change the payment status of an order of said pizza event
4. Working