Former President Donald Trump’s efforts to prepare for his New York hush money trial in a few days have hit a humiliating snag, as his attorneys tried to subpoena former D.A. investigator Jeremy Rosenberg — and accidentally brought in a different person with the same name. The bemused Rosenberg told Trump’s legal team “I don’t have any files for you,” and added, “I’m keeping the fifteen dollars” of witness travel expenses. Commenters on the X social media platform wasted no time burying the former president and his legal squad in mockery over their mistake. Want more breaking political news? C…