Jacob Elordi and Olivia Jade Giannulli were “all over each other” at the ‘Saturday Night Live’ after-party. The 26-year-old actor recently hosted the long-running TV show, and he was spotted with his girlfriend at the after-party in New York City. An eyewitness told the New York Post newspaper’s Page Six column: “They were all over each other.” Earlier this month, insiders suggested that Jacob and Olivia had actually decided to call time on their romance. However, that claim was subsequently rubbished. A source recently told E! News: “They are not broken up.” The celebrity duo were first spott…