webrtc set video on track unmute.

src/component/main.vue

@@ -444,6 +444,10 @@
         const { track, streams } = event
         if (track.kind === 'audio') return
 
+        // apply track only once it is unmuted
+        track.addEventListener(
+          'unmute',
+          () => {
             // create stream
             if ('srcObject' in this._video) {
               this._video.srcObject = streams[0]
@@ -455,6 +459,9 @@
             if (this.autoplay || this.connection.activated) {
               this._video.play()
             }
+          },
+          { once: true },
+        )
       })
 
       // unmute on users first interaction