More than 24 hours after Paulassilverlining won her second graded stakes, the Distaff (gr. III) at Aqueduct Racetrack April 17, owner and breeder Vincent Scuderi was still beaming. “Yeah,” he said. “I still have a smile on my face.” A 4-year-old daughter of Ghostzapper, out of the Grindstone mare Seeking the Silver, Paulassilverlining won her first stakes race,…