SAN DIEGO — U.S. immigration offices have become so overwhelmed with processing migrants for court that some asylum-seekers who crossed the border at Mexico may be waiting a decade before they even get a date to see a judge.The wait is four years in Chicago, officials said.The backlog stems from a change made two months after President Joe Biden took office, when Border Patrol agents began now-defunct practice of quickly releasing immigrants on parole. They were given instructions to report to a U.S. Immigration and …