[mirotalksfu] - improve whiteboard lock/unlock, update dep

app/src/Server.js

@@ -44,7 +44,7 @@ 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 1.4.90
+ * @version 1.4.91
  *
  */