chore: fix Web secure storage

lib/utils/database/flutter_famedly_sdk_hive_database.dart

@@ -34,6 +34,9 @@ class FlutterFamedlySdkHiveDatabase extends FamedlySdkHiveDatabase {
     }
     HiveCipher hiverCipher;
     try {
+      // Workaround for secure storage is calling Platform.operatingSystem on web
+      if (kIsWeb) throw MissingPluginException();
+
       final secureStorage = const FlutterSecureStorage();
       final containsEncryptionKey =
           await secureStorage.containsKey(key: _hiveCipherStorageKey);