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

src/state/shell/logged-out.tsx

@@ -0,0 +1,37 @@
+import React from 'react'
+
+type StateContext = {
+  showLoggedOut: boolean
+}
+
+const StateContext = React.createContext<StateContext>({
+  showLoggedOut: false,
+})
+const ControlsContext = React.createContext<{
+  setShowLoggedOut: (show: boolean) => void
+}>({
+  setShowLoggedOut: () => {},
+})
+
+export function Provider({children}: React.PropsWithChildren<{}>) {
+  const [showLoggedOut, setShowLoggedOut] = React.useState(false)
+
+  const state = React.useMemo(() => ({showLoggedOut}), [showLoggedOut])
+  const controls = React.useMemo(() => ({setShowLoggedOut}), [setShowLoggedOut])
+
+  return (
+    <StateContext.Provider value={state}>
+      <ControlsContext.Provider value={controls}>
+        {children}
+      </ControlsContext.Provider>
+    </StateContext.Provider>
+  )
+}
+
+export function useLoggedOutView() {
+  return React.useContext(StateContext)
+}
+
+export function useLoggedOutViewControls() {
+  return React.useContext(ControlsContext)
+}