* Use the new TimelineMediaPreview modifier on the room and pinned timeline screens.
* Use the same presentation logic for all timeline media previews.
* Fix a bug with the detection of the timeline end.
* Send pagination requests from the media preview screen.
* Add SwiftLint to the Danger workflow (it is no longer installed on the runner).
* Put SwiftLint back on all of the GitHub runners too.
* Set the function_parameter_count lint rule to 10.
* Make sure to clean-up any previews when the coordinator is done.
* Handle the viewInRoomTimeline action more appropriately.
