Kylie Jenner shared pictures of her and mom Kris Jenner’s “sleepover,” which included an inside look at the momager’s California mansion. Kylie Jenner is helping the world keep up with Kris Jenner’s luxe lifestyle. The 27-year-old shared a peek inside her momager’s swanky mansion near Calabasas, Calif., while showcasing what the pair got up to…