Supreme Court nominee Ketanji Brown Jackson doled out a lenient sentence to a child rapist for violating probation — and he allegedly struck again during the time when prosecutors wanted him locked up, The Post has learned. The Biden nominee’s handling of sex offender Leo Weekes’ case emerged in a tranche of court filings and transcripts sent to the Senate Judiciary Committee Friday — just days before the panel is set to vote on whether to report her nomination to the full Senate. While Republicans have previously highlighted Jackson’s practice of giving the lightest possible punishments in child pornography cases,...