fix(rn) fixes typo in functions.native

react/features/base/config/functions.native.ts

  * @returns {void}
  */
 export function _cleanupConfig(config: IConfig) {
-    config.analytics ??= {};
+    config.analytics = {};
     config.analytics.scriptURLs = [];
     if (NativeModules.AppInfo.LIBRE_BUILD) {
         delete config.analytics?.amplitudeAPPKey;