Enable fullscreen mode, using fullscreen API, with new icon. Doc: [https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API](https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API)
Enable fullscreen mode, using fullscreen API, with new icon.
Doc: https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API