Fix screen sharing spinner

Check if the peer connection is already connected status. In this case, the status store must be set to 'connected'.
In the case or player A send stream and player B send a stream, it's same peer connection, also the status must be changed to connect.

Signed-off-by: Gregoire Parant <g.parant@thecodingmachine.com>

front/src/Phaser/Game/GameScene.ts

@@ -1605,6 +1605,7 @@ ${escapedMessage}
 
         //When we leave game, the camera is stop to be reopen after.
         // I think that we could keep camera status and the scene can manage camera setup
+        //TODO find wy chrome don't manage correctly a multiple ask mediaDevices
         //mediaManager.hideMyCamera();
 
         for (const iframeEvents of this.iframeSubscriptionList) {