SPRINGFIELD — Smelling and seeing cannabis justified probable cause for a police officer in central Illinois to search a man’s car, despite cannabis’ decriminalization and legalization for medical purposes at the time, a unanimous Illinois Supreme Court majority ruled Thursday.The justices were asked whether two 2016 laws — the Illinois Cannabis Control Act and the Compassionate Use of Medical Cannabis Pilot Program Act — changed the basis for probable cause in a May 2017 warrantless search of …