1:1 VoIP call doesn't terminate (and cannot be terminated) when user is banned

### Steps to reproduce

[Discovered on web](https://github.com/vector-im/element-web/issues/25681) but the same problem manifests (a little bit differently) on iOS.

When you're banned from a room (or kicked presumably) any active call in that room should terminate.

On iOS, after you've been banned you can't use the call end UX to leave the call - you just get errors saying that your user is not in the room. And the call continues. At least it's obvious that it's happening.

### Outcome

#### What did you expect?
Call to end after banning.

#### What happened instead?
Call continued!

### Your phone model

ipHone 12 pro

### Operating system version

16.6

### Application version

Latest from testflight

### Homeserver

matrix.org

### Will you send logs?

No