Based on a number of new reports, iPhone OS 3.0 may offer video editing and recording capabilities, while a next-generation iPhone may debut with 802.11n support, and potentially FM transmission capabilities, as well. Found in the latest beta version of iPhone OS 3.0 (Translated Link), new resource images appear to show graphics needed for video editing purposes: listed under the name “UIMovieScrubber,” the images include what appear to…