Libbie Mugrabi has no intention of losing her home. A judge has ordered the mansion to be sold in an auction from the steps of Southampton town hall on August 28 to recoup a $3.5 million loan the socialite took out against it. But Mugrabi tells us the sale isn’t going to ahead — because she’s working on getting another loan to square things up. But she put it in the patented Mugrabi style. “There is not a court-ordered sale. [That’s] fake news. We agreed to settle and I need a little more time as I fired my broker,” said the colorful Uptown figure, who finalized her divorce from billionaire art dealer David Mugrabi in 2020. She claimed…