Order summary: After return canceled, items listed on Return form

Description

Steps to reproduce:
1. Add 1 item to a cart then check out.
2. Go to Commerce Manager and complete the order.
3. Return the item then cancel the return.
4. Go to the Purchase Order list, click Order Summary of above order.

Expected: If returns are canceled, do not show those items on the return form.

Actual: Although Return was canceled, the item still appears on the return form.