Last month, Plex announced a new Grid View for its DVR and Live TV feature, allowing users to browse a programming guide in the more familiar user interface. While the new layout was originally only available in the Plex web app, the company has now brought it to the Apple TV platform, allowing Plex fans to take advantage of a more traditional DVR-style experience. Plex added Live TV support to the Apple TV last year, although the original user interface…