fix(start-silent) Disable AOT mic and unmute notif when start silent

modules/API/external/external_api.js

@@ -978,6 +978,17 @@ export default class JitsiMeetExternalAPI extends EventEmitter {
         });
     }
 
+    /**
+     * Returns wether meeting is started silent.
+     *
+     * @returns {Promise} - Resolves with start silent status.
+     */
+    isStartSilent() {
+        return this._transport.sendRequest({
+            name: 'is-start-silent'
+        });
+    }
+
     /**
      * Returns the avatar URL of a participant.
      *