WASHINGTON — The pending Supreme Court case on the fate of the Affordable Care Act could give the Biden administration its first opportunity to chart a new course in front of the justices.The health care case, argued a week after the election in November, is one of several matters, along with immigration and a separate case on Medicaid work requirements, where the new administration could take a different position from the Trump administration at the high court.While a shift would be in line with President Joe Biden’s …