Refactor post threads to use react query (#1851)

* Add post and post-thread queries

* Update PostThread components to use new queries

* Move from normalized cache to shadow cache model

* Merge post shadow into the post automatically

* Remove dead code

* Remove old temporary session

* Fix: set agent on session creation

* Temporarily double-login

* Handle post-thread uri resolution errors

src/App.web.tsx

@@ -46,7 +46,7 @@ const InnerApp = observer(function AppImpl() {
       analytics.init(store)
     })
     dynamicActivate(defaultLocale) // async import of locale data
-  }, [resumeSession])
+  }, [])
 
   useEffect(() => {
     const account = persisted.get('session').currentAccount