The Vegas Golden Knights secured a critical two points with a 3-2 overtime win against the Calgary Flames Saturday night at Scotiabank Saddledome. Reilly Smith scored twice, including a fortuitous game-winner with 29 seconds remaining in overtime, to help the Golden Knights bounce back from back-to-back losses. Pavel Dorofeyev also scored for Vegas, and Akira Schmid turned aside 21 of 23…