[mirotalksfu] - fix typo

public/js/RoomClient.js

@@ -2910,7 +2910,7 @@ class RoomClient {
         video.setAttribute('width', '100%');
         video.setAttribute('height', '100%');
         vb.appendChild(e);
-        vb.appendChild(pn);
+        if (!this.isMobileDevice) vb.appendChild(pn);
         d.appendChild(video);
         d.appendChild(vb);
         this.videoMediaContainer.appendChild(d);