🐛(frontend) improve authenticated state

It can happen that the user is authenticated
then the token is expired. The authenticated
state should be updated to false in this case.

src/frontend/apps/impress/src/features/auth/api/useAuthQuery.tsx

@@ -1,6 +1,6 @@
 import { UseQueryOptions, useQuery } from '@tanstack/react-query';
 
-import { APIError, fetchAPI } from '@/api';
+import { APIError, errorCauses, fetchAPI } from '@/api';
 
 import { User } from './types';
 
@@ -17,7 +17,10 @@ import { User } from './types';
 export const getMe = async (): Promise<User> => {
   const response = await fetchAPI(`users/me/`);
   if (!response.ok) {
-    throw new Error(`Couldn't fetch user data: ${response.statusText}`);
+    throw new APIError(
+      `Couldn't fetch user data: ${response.statusText}`,
+      await errorCauses(response),
+    );
   }
   return response.json() as Promise<User>;
 };

src/frontend/apps/impress/src/features/auth/hooks/useAuth.tsx

@@ -30,5 +30,10 @@ export const useAuth = () => {
     }
   }, [user, replace]);
 
-  return { user, authenticated: !!user, pathAllowed, ...authStates };
+  return {
+    user,
+    authenticated: !!user && authStates.isSuccess,
+    pathAllowed,
+    ...authStates,
+  };
 };