By Imy Brighty-Potts Donald Trump’s team thinks the former-President is in for a win in his Supreme Court presidential immunity case despite the court likely to throw out his case, insiders claim. There were whisperings of underground celebrations just a day before the nation’s highest court will hear the arguments that have impeded special counsel Jack Smith’s federal election interference case for months. “We already pulled off the heist,” a source close to Trump told Rolling Stone. But, Trump’s lawyers and political advisers have seemingly already accepted the justices will rule against him…