Turning Min Jin Lee’s expansive historical novel “Pachinko” into an eight-hour Apple TV+ series was a daunting proposition. Newcomer Minha Kim portrays the young heroine Sunja and South Korean national treasure and “Minari” Oscar winner Yuh-Jung Youn plays her in her 70s; Korean American Jin Ha is Solomon; and Hallyu superstar Lee Minho is Hansu, a Japan-born Korean who has …