* Allow replying to any remote message in a thread.
This will open the thread screen based on the selected event:
- If it was already part of a thread, it will open that thread.
- Otherwise, it'll open the thread timeline screen so you can start a thread from the event.
* Add the feature flag to decide which action to perform. Also, rename the feature flag to something easier to understand.
* Display the reply in thread action based on the feature flag too
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Co-authored-by: ElementBot <android@element.io>