FORT WORTH, Texas — It took less than 6 seconds after the Dallas Mavericks’ latest win for the internet to explode with a timeline that should, but won’t, bother the Dallas Cowboys. The last time the four major sports franchises in our neighborhood made their “conference” finals: Texas Rangers, 2023. Dallas Stars, 2024. Dallas Mavericks, 2024. Dallas Cowboys, 1995. This is much more fun when you…