ST. PETERS, Mo. — Four years ago, the Rochester Grizzlies were the favorites to win it all here. They had played in the North American 3 Hockey League national championship game — the Fraser Cup — the year before, falling in the 2021 title game to the North Iowa Buls. The Grizzlies were the best team in the league in 2021-22, and they proved it by shutting out rival Granite City in decisive fashion in the Fraser Cup title game. That was the last…