Cynthia Littleton Business EditorActor Jessica Joan had a long-awaited moment of closure when she read her victim’s statement at the June 30 sentencing hearing for Allison Mack, the “Smallville” star who became a leader of the sex cult tied to the now-convicted Keith Raniere and his NXIVM organization.Joan was the NXIVM victim previously identified in court documents only as “Jay.” Joan decided to reveal her identity as part of Mack’s sentencing in an effort to move on to the next chapter of