ORLANDO, Fla. — A homeless man was arrested Monday afternoon for sitting on a downtown Orlando sidewalk, just hours after the city council adopted an ordinance banning people from blocking sidewalks that officials insisted would not be used to target the homeless. Paul Clark, 62, was found by Orlando Police sitting in front of the Taco Bell Cantina at Central Boulevard and Orange Ave. at about 6:17 p.m. The officer said he’d previously warned Clark numerous times that he wasn’t allowed to sit on downtown sidewalks, and when Clark failed to move, he arrested him. City commissioners voted 6-1 on…