SPRINGFIELD — Lawyers typically have about 30 days after a court’s decision to file an appeal. But when does that clock officially start? The Illinois Supreme Court ruled Friday that the timeline begins to toll once a judgment is entered in writing — not when a court renders a decision verbally. The unanimous decision authored by Justice Robert R. Thomas means a railway company can go on fighting a $1.3 million jury award given to an ex-employee who was injured while securing cargo to a truck …