PWI Base (#1964)
* Base work for public view
* Make default moderation settings more restrictive
* Fix type
* Handle showing sign-in on authed actions
* Fix hoc logic
* Simplify prefs logic
* Remove duplicate method
* Add todo
* Clean up RepostButton.web
* Fix x button color
* Add todo
* Retain existing label prefs for now, use separate logged out settings
* Clean up useAuthedMethod, rename to useRequireAuth
* Add todos
* Move dismiss logic to withAuthRequired
* Ooops add web
* Block public view in prod
* Add todo
* Fix bad import
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