fix: correct localstorage fallback

packages/search-site/src/lib/store.mjs

@@ -1,14 +1,15 @@
 /* eslint-env browser */
 
 const storage = (() => {
-  // return localstorage in the browser env
-  if (this && this.localStorage) return this.localStorage;
-
+  try {
+    return window.localStorage;
+  } catch (err) {
     // return a mock localstorage in the server env
     return {
       getItem: () => null,
       setItem: () => null,
     };
+  }
 })();
 
 export default {