By Daniel Fienberg Chief Television Critic The next time Guy Ritchie makes a smart movie or television show will be the first, but he’s built a deservedly lengthy career from flashy projects that sometimes create alchemy out of fun and dumb. When Ritchie is good, the balance is more toward the “fun” side of the ledger. When Ritchie is bad, the balance is more toward the “dumb” side. Lock, Stock and Two Smoking Barrels and Snatch? Fun Ritchie. Swept Away and Aladdin? Dumb Ritchie. The Man from U.N.C.L.E.? Fun Ritchie, then Dumb Ritchie, all in one. On the small screen? The Gentlemen is Fun Ritchie, MobLand is Dumb Ritchie. Ritchie is so committed to fun and dumb that even when he took on Sherlock Holmes, Arthur Conan Doyle’s compulsively brainy gumshoe, he turned Holmes and Watson into Victorian pugilists, one of whom occasionally used deductive reasoning. The first Sherlock Holmes movie is Fun Ritchie (barely) and the second is Dumb Ritchie.…