fix render issue

src/AuthProvider.js

@@ -3,7 +3,11 @@ import { UserManager } from "oidc-client-ts";
 import {oidcConfig} from "./oicdConfig";
 
 
-export const AuthContext = createContext();
+export const AuthContext = createContext({
+    user: null,
+    login: () => {},
+    logout: () => {},
+});
 
 const AuthProvider = ({ children }) => {
     const [user, setUser] = useState(null);