added new background + fixed red color

public/js/RoomClient.js

@@ -122,7 +122,7 @@ const image = {
     upload: '../images/upload.png',
     virtualBackground: {
         one: '../images/virtual-background/default/background-1.jpg',
-        two: '../images/virtual-background/default/background-2.webp'
+        two: '../images/virtual-background/default/background-2.jpg'
     },
 };