ST. LOUIS — The Blues just can’t get this overtime thing down. They have been a top 10 team all season long in the overall stands. But they remain near the bottom of the barrel when it comes to OT. The latest example came Sunday against the Winnipeg Jets. After a late goal by Brayden Schenn tied the game at 3-3 and forced overtime. Pierre-Luc Dubois scored on a 2-on-1 rush in overtime, giving the Jets (27-23-10) a 4-3 win over the Blues (34-17-8). The Blues fell to 1-6 this season in overtime. There are late scratches, and then there was Robert Thomas on Sunday against Winnipeg. Thomas, who ha…