Replaced redux with zustand. Fixed login issue, closes #980.

lib/web.js

@@ -65,9 +65,17 @@ export const setItem = (key, data, session) => {
   }
 };
 
+function tryParse(value) {
+  try {
+    return JSON.parse(value);
+  } catch {
+    return undefined;
+  }
+}
+
 export const getItem = (key, session) =>
   typeof window !== 'undefined'
-    ? JSON.parse((session ? sessionStorage : localStorage).getItem(key))
+    ? tryParse((session ? sessionStorage : localStorage).getItem(key))
     : null;
 
 export const removeItem = (key, session) => {