WASHINGTON — Fourteen of the 15 boxes recovered from former President Donald Trump’s Florida estate early this year contained classified documents, many of them top secret, mixed in with miscellaneous newspapers, magazines and personal correspondence, according to an FBI affidavit released Friday.No space at Trump’s Mar-a-Lago estate was authorized for the storage of classified material, according to the court papers, which laid out the FBI's rationale for searching the property this month, including  …