Update: The 5th District Appellate Court justice who authored the opinion was incorrectly cited as "Richard P. Goldenhersh" instead of Melissa A. Chapman in the fourth, sixth and 18th paragraphs. A correction has been made.SPRINGFIELD — A difficult labor dispute turned on a relatively basic idea this week.That is, state workers have received certain pay increases for decades and should reasonably count on continuing to get them.A 5th District Appellate Court panel ruled the state violated labor laws by …