ST. LOUIS — The Blues have certainly kept them close. In a 2-1 win over the Canucks on Thursday night at Enterprise Center, the Blues again played a tight game during a season in which that hasn’t always been the case. Robert Thomas scored the game-winning goal with 11:55 remaining in the third period to break a 1-1 tie and lift St. Louis to a win. Thomas cashed in on his 16th goal of the season with a wrister from the slot on a pass from Scott Perunovich, hours after he was named an All-Star for the first time in his career. Colton Parayko also scored for the Blues, as Jordan Binnington made …