A construction worker who was crushed by a falling wall tile in a downtown office building has settled negligence claims for $1.2 million.Mario Cabrera suffered neck, back, knee and shoulder injuries while renovating an elevator lobby at 300 S. Riverside Plaza, requiring several surgeries.He agreed to settle last week with the defendant, Executive Construction Inc., according to his attorney, Eugene K. Hollander of the Law Offices of Eugene K. Hollander.“He had a very long course of medical treatment, especially with the …