cancel order only once

[maze-runnar]

Describe the bug
once the order is cancelled , Cancel button is still enabled and on click shows the message "your order is cancelled" While it should be disable once order is cancelled ?

To Reproduce
Steps to reproduce the behaviour:

1. place a order
2. cancel it and see it in http://localhost:4200/events/{{event_id}}/tickets/orders/cancelled
3. in this section one can again click on cancel order button
4. And the cancellation mail will send again and again to user and notification show up on notification board

Expected behaviour
one should able to cancel order only once .
Cancel order button should be disabled in that section .
Screenshots

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context

I am working on this .