When Chicago Mayor Lori E. Lightfoot received the 2019 Woman of Vision Award on Thursday, it was not lost on her that the room where she accepted the honor is a space that once barred women.The Stock Exchange Trading Room at the Art Institute of Chicago was built from preserved portions of the famous 1894 Adler & Sullivan-designed trading room demolished at 30 N. LaSalle St. in 1972.On Thursday, Lightfoot noted that …