By Andrew Gould The NBA has fined the Dallas Mavericks $100,000 for another violation of “bench decorum.” “On multiple occasions, several players and a member of the coaching staff stood for an extended period in the Mavericks’ team bench area, stood away from the team bench, or were on or encroaching upon the playing court during game action in Dallas’ 126-117 loss to the Golden State Warriors in Game 2 of the Western Conference Finals on May 20 at Chase Center,” the NBA wrote in a statement released Sunday. The NBA previously fined Dallas twice, $25,000 for the first infraction and $50,000 t…