The 1991 blockbuster “Robin Hood: Prince of Thieves” might not be worth a revisit this holiday season (not with the kids, anyway) but if you saw it back in the day, Christmas 2020 probably brings to mind Alan Rickman’s Sheriff of Nottingham bellowing, “Cancel the kitchen scraps for lepers and orphans, no more merciful beheadings and call off Christmas!” Virus concerns and public health mandates mean this Christmas is sure to look different than Christmases past. But that doesn’t mean it can’t be meaningful and memorable ... in a good way. Family undertakings: This is the year The silver lining of the COVID-19 shutdowns for many families has been a step back from overscheduling and busyness. Perhaps there’s finally time…