bug: clear redux store on logout

closes #372

packages/app/src/Element/LogoutButton.tsx

@@ -1,5 +1,4 @@
 import { useDispatch } from "react-redux";
-import { useNavigate } from "react-router-dom";
 import { FormattedMessage } from "react-intl";
 
 import { logout } from "State/Login";
@@ -8,14 +7,13 @@ import messages from "./messages";
 
 export default function LogoutButton() {
   const dispatch = useDispatch();
-  const navigate = useNavigate();
   return (
     <button
       className="secondary"
       type="button"
       onClick={() => {
         dispatch(logout());
-        navigate("/");
+        window.location.href = "/";
       }}>
       <FormattedMessage {...messages.Logout} />
     </button>