OnlyFans model and TikToker Ava Louise took credit this week for shutting down a webcam art installation in New York by flashing viewers in Ireland, RadarOnline.com has learned. The “portal sculpture” unveiled earlier this month connects New York City to Dublin via a silent video livestream. It was the latest of its kind launched by Portals.org as “a bridge to cultures from around the world.” The eight-foot-tall ring-shaped installation stands in front of the Flatiron Building on 5th Avenue in Manhattan and its video stream is linked with another portal on Dublin’s bustling O’Connell Street. L…