[Story] Threads: Unsubscribing from a Thread

[manuroe]

Description

• As a user
• I want to unsubscribe a thread
• So that I am not disturbed by notifications from discussions I’m not interested in.

This story is likely to be covered at the same time as #2766

Acceptance criteria

• An "Unsubscribe" option is available in the thread menu.
• Unsubscribed threads no longer trigger notifications.

Dependencies

• [Prep] Threads: Design a participation model API in Matrix #2777

Out of scope

• Nothing

Questions

• [ ]

Subtasks

Android

iOS

Rust

Other

[reivilibre]

Backend work on this is complete