BRUSSELS — If Jordan Bardella becomes France’s next president, don’t expect him to be Donald Trump’s man in Europe. The 30-year-old leader of France’s far-right National Rally — and the favorite to replace Marine Le Pen if she is barred from running in 2027 — sought during a 45-minute exclusive interview with POLITICO to put distance between himself and the U.S. president he once openly admired. Trump’s behavior is “not only erratic but also ext…