WASHINGTON — Senate Judiciary Committee Republicans powered past a Democratic boycott Thursday to advance Amy Coney Barrett’s Supreme Court nomination to the full Senate, keeping President Donald Trump’s pick on track for confirmation before Election Day.Democratic senators refused to show up in protest of the GOP’s rush to install Trump’s nominee to replace the late Justice Ruth Bader Ginsburg. Never has the Senate confirmed a Supreme Court nominee so close to a presidential election.The Republicans, who hold the …