added theme icon and login button when user is unauthenticated

src/app/UserWrapper.tsx

@@ -19,6 +19,15 @@ const reducer = (state: GlobalState, action: GlobalStateAction): GlobalState =>
   };
 };
 
+const globalDefault = {
+  user: User.create(),
+  team: Team.create(),
+  as: "",
+  showErrors: false,
+  userTeamPermissions: [],
+  backgroundTasksComplete: false
+}
+
 export default function UserWrapper() {
   const [count, setCount] = useState(0)
   const [loading, setLoading] = useState(false)
@@ -47,17 +56,13 @@ export default function UserWrapper() {
       })
     }).catch(err => {
       console.log(err.toString())
-      if (err.toString().includes("CORS")) {
-        setMessage("CORS error")
-      } else {
-        setMessage("Loading failed, refresh may help")
-      }
+      setGlobal(globalDefault)
     })
     .finally(() => {
       setLoading(false)
       hasFetched.current = true;
     })
-  }, [])
+  }, [setGlobal, setUser])
   
   useEffect(() => {
     if (loading) return;