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Description
Is your feature request related to a problem? Please describe.
The user should be able to unsubscribe from a topic.
Describe the solution you'd like
When the user unsubscribes from a topic by clicking the cross icon on the topic list item the topic list should remove the topic and call the unsubscribe functionality of the correo backend.
The message list should remove the corresponding messages automatically.
Additional context
Hint: See if there is specific correo event which indicates the unsubscription of an topic to react in the message list component.