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/GameManager.ts

@@ -89,10 +89,7 @@ export class GameManager {
         console.log('starting '+ (this.currentGameSceneName || this.startRoom.id))
         scenePlugin.start(this.currentGameSceneName || this.startRoom.id);
         scenePlugin.launch(MenuSceneName);
-        
-        if (!localUserStore.getHelpCameraSettingsShown()) {
-            scenePlugin.launch(HelpCameraSettingsSceneName);//700
-        }
+        scenePlugin.launch(HelpCameraSettingsSceneName);//700
     }
     
     public gameSceneIsCreated(scene: GameScene) {