SPRINGFIELD — All seven justices of the state’s highest court agreed: A juvenile who fled from authorities multiple times while on probation could be lawfully committed to a detention center.It was a conflict over conflicts that caused them to lodge three separate rationales in their lone opinion this week.The Illinois Supreme Court ruled the law governing juvenile crimes still allowed a judge to sentence a teen, Jarquan B., to a term of commitment even though changes to the statute now preclude such a …