Update: Comments from Stuart Krauskopf of Krauskopf Kauffman were added to the story.The city can’t dock a boat tour company nearly $3.3 million for unpaid taxes, a state appeals court found.The 1st District Appellate Court ruled federal maritime law preempts Chicago from levying its amusement tax on Wendella Sightseeing, Inc., an 85-year-old tour boat business.Justice Mary K. Rochford authored a unanimous 15-page decision, sinking the city’s argument that the law barring nonfederal taxes on any vessel …