fix: moving back in history after logout shouldn't 404 (#1118)

M2-595

Author: sethidden

packages/theme/middleware/is-authenticated.ts

@@ -2,7 +2,8 @@ import { Middleware } from '@nuxt/types';
 
 const middleware : Middleware = (context) => {
   if (!context.app.$vsf.$magento.config.state.getCustomerToken()) {
-    context.redirect('/');
+    const homepage = context.localeRoute({ name: 'home' });
+    context.redirect(homepage);
   }
 };
 export default middleware;