[RN] Support the for...of statement in lib-jitsi-meet

package.json

     "async": "0.9.0",
     "autosize": "^1.18.13",
     "bootstrap": "3.1.1",
+    "es6-iterator": "2.0.0",
     "i18next": "7.0.0",
     "i18next-browser-languagedetector": "1.0.1",
     "i18next-xhr-backend": "1.3.0",

react/features/base/lib-jitsi-meet/native/polyfills-browser.js

+import Iterator from 'es6-iterator';
 import BackgroundTimer from 'react-native-background-timer';
 import 'url-polyfill'; // Polyfill for URL constructor
 
         global.addEventListener = () => {};
     }
 
+    // Array.prototype[@@iterator]
+    //
+    // Required by:
+    // - for...of statement use(s) in lib-jitsi-meet
+    const arrayPrototype = Array.prototype;
+
+    if (typeof arrayPrototype['@@iterator'] === 'undefined') {
+        arrayPrototype['@@iterator'] = function() {
+            return new Iterator(this);
+        };
+    }
+
     // document
     //
     // Required by: