Call notification state api does not handle leaving in between notifications

[SystemKeeper]

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Steps to reproduce

1. User A starts call, push notification is shown
2. User B joins call, push notification is dismissed
3. User B leaves call
4. User A sends a call notification to user B again (without leaving the call)
5. API now returns participant joined immediately, although not joined anymore.

Expected behaviour

API should return "call in progress", not "participant joined"

Talk app

Talk app version: 20.1.0