Improvement feature circle discussion (#977)

* Improvment circle discussion
 - Change to lissen start event of WebRTC connection

* Update help allow navigator and waring message
 - Show warning message.
 - Use help camera allow setting to show modal and help user.
 - Change feature to show the modal only when user have need the information on allow navigator access

* Create soud for video discussion

front/src/Phaser/Game/GameScene.ts

@@ -1200,7 +1200,7 @@ ${escapedMessage}
      * @param delta The delta time in ms since the last frame. This is a smoothed and capped value based on the FPS rate.
      */
     update(time: number, delta: number) : void {
-        mediaManager.setLastUpdateScene();
+        mediaManager.updateScene();
         this.currentTick = time;
         this.CurrentPlayer.moveUser(delta);