Netflix’s “Reindeer Baby” mini-series by Scottish comedian Richard Gadd has climbed into the streaming platform’s coveted ranking for the 10 most watched English-language shows, even as a potential legal fallout emerges. The dark but at times humorous limited series edged out the first season of the American-Polish series “The Witcher” from 2019 to take tenth place in the “Most Popular TV (English)” ranking. “Baby Reindeer” tells the story of struggling comedian called Donny who works in a bar and who is stalked by a female guest named Martha (Jessica Gunning). The name of the show is the nick…