which the White House counsel forgot to mark as declassified.

There is no question they took classified material from White House.

While still taking declassified material is illegal, White House food menus are considered declassified material. That's why the search warrant and attachments are so important. They can possibly shed light on why it was so urgent to get the items back.

There is no question Trump violated the law. The bigger question is about the urgency. Was the search warrant necessary? Indications are that it was.