SAN JOSE, Calif. – The Sharks have had a habit in recent seasons of welcoming franchise icons back to SAP Center only to send them out of town with a loss. It was a little different Tuesday night. On the night they welcomed back Joe Thornton, the Sharks saw Frank Vatrano score both the game-tying third period and the overtime winner in a 3-2 Florida Panthers victory before an announced crowd of 12,276. The Sharks received goals from Logan Couture and Nicolas Meloche and 31 saves from goalie James Reimer. Tomas Hertl assisted on both goals. With the lights dimmed inside the arena before the gam…