Right now, when an order is canceled:
- it stays on the tab "Your Open Orders"
- it shows a label "canceled"
- you can filter the orders by their status
Proposal 01
- Create a tab called "xxx" that will contain canceled orders
- Move canceled orders on the that tab
Proposal 02
- opacity: 0.5 for the whole row like in the following screenhot

Right now, when an order is canceled:
Proposal 01
Proposal 02