Jazz Tangcay Artisans EditorFour of the five contenders in the editing race this year are newcomers, with only Alan Baumgarten (“The Trial of Chicago 7”), who snared an Oscar nom for 2013’s “American Hustle,” being recognized previously by the Academy.“The Father” might have landed six nominations including best picture, but to land a win here it would need to beat frontrunners “Sound of Metal” and “The Trial of the Chicago 7.”However, historically, to be considered the Oscar frontrunner for