By Jason Jordan He said he’s the first domino in a string of top-tier talent headed to play for Hubert Davis. North Carolina coach Hubert Davis’s impressive April included an improbable national title game appearance and a commitment from arguably the top player in the 2023 class in G.G. Jackson. The latter is the beginning of a new trend, if you ask Jackson, but the irony is that landing one-and-done talent like him produces more of the former, at least in theory. “I really believe that this is North Carolina’s time to get a lot of the top-top guys,” Jackson says. “Coach Davis just brings a f…