[mirotalksfu] - add dominant speaker observer, fix, update dep

app/src/Server.js

@@ -41,7 +41,7 @@ dependencies: {
  * @license For commercial or closed source, contact us at license.mirotalk@gmail.com or purchase directly via CodeCanyon
  * @license CodeCanyon: https://codecanyon.net/item/mirotalk-sfu-webrtc-realtime-video-conferences/40769970
  * @author  Miroslav Pejic - miroslav.pejic.85@gmail.com
- * @version 1.4.25
+ * @version 1.4.26
  *
  */
 
@@ -1189,9 +1189,10 @@ function startServer() {
                     producer_id: producer_id,
                 });
 
-                // add & monitor producer audio level
+                // add & monitor producer audio level and active speaker
                 if (kind === 'audio') {
                     room.addProducerToAudioLevelObserver({ producerId: producer_id });
+                    room.addProducerToActiveSpeakerObserver({ producerId: producer_id });
                 }
 
                 //log.debug('Producer transport callback', { callback: producer_id });