* Update the store on action
* Add more tests
* Add newlines between case blocks
* Make code more readable
- Make if/else more consistent
- Add comment on findAndAddRoom()
* Add more tests
* Remove redundant code
On a timeline action, we return early if payload.room is falsy.
So then why do we need to retry fetching the room?
I think this can be removed but will ask others if there's some
conext I'm missing.
* Fix test
* Remove more redundant code
* Add more tests
* Explain intention in comment
* Emit only once even when adding multiple rooms
* Add missing tsdoc
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