fix(interceptor): disable 500 token-expired handler in legacy mode

apps/mobile_app/lib/core/init_app.dart

@@ -39,7 +39,7 @@ Future<void> initApp(EnvironmentEnum env) async {
     log: env.isDevelopment || kDebugMode,
     onTokenExpired: isPaymentMode
         ? () => appRouter.go(AppRoutes.scaTreezor)
-        : () => appRouter.go(AppRoutes.legacyLogin),
+        : null,
     onUnauthorized: () async {
       final currentLocation =
           appRouter.routerDelegate.currentConfiguration.uri.path;