Alina Habba’s “shocking” courtroom antics in Donald Trump’s civil defamation trial showcase just what kind of client the former president makes, a legal expert contends. Former U.S. Attorney Joyce Vance professed herself stunned at the blustering blunders Habba made as she cross-examined E. Jean Carroll, the writer Trump has been found liable of sexually abusing in the 1990s and defaming by denying the attack. “It’s shocking that a former president is represented by a lawyer who doesn’t seem to know her way around a courtroom,” Vance writes in her substack. “He is so toxic that most of the goo…