[Story] Forward pagination

[bmarty]

Story

As a user landing on any Event in any timeline (due to permalink support) I want to be able to "scroll to the future", i.e. see the following events until I reach the live, i.e. the latest Event sent in the room.

Dependencies

• TBD

Sign-offs

Android

• [ ] Design sign-off on completion
• [ ] QA sign-off on completion
• [ ] Product sign-off on completion

iOS

• [ ] Design sign-off on completion
• [ ] QA sign-off on completion
• [ ] Product sign-off on completion

Web

• [ ] Design sign-off on completion
• [ ] QA sign-off on completion
• [ ] Product sign-off on completion

Scope

### Android
- [ ] https://github.com/element-hq/element-x-android/issues/2649

### iOS
- [ ] https://github.com/element-hq/element-x-ios/issues/2639

Out of scope

• TBD

[bmarty]

Closing since all tasks are completed