SACARMENTO — A once unthinkable thought is now believable: The Toronto Raptors could learn something from the Sacramento Kings. Imagine, one of the NBA’s most successful organizations for the past decade, with eight playoff appearances in nine years and an NBA title to show for it, learning from an organization so inept for so long that they inspired an adverb for incompetence: Kangz. Such as: draft Marvin Bagley instead of Luka Doncic as Sacramento did in 2018 — perhaps the worst in a long line of draft-day screwups? The Kings are gonna Kangz, that kind of thing. They haven’t made…