Once again, the Heat need Dwyane Wade. Do they need him more than he needs them? It’s going to be an interesting offseason or two. Last summer, Wade opted out of the final two years of his deal to sign a new two-year contract, in order to give Miami flexibility to fill out its roster. It was far from the first time Wade, who’s spent his entire 12-year career with the Heat, took less security or less money to help his front office—the Big Three, and much of the supporting cast, wouldn’t have been possible without Wade taking less than the max. Wade wants to be repaid for his generosity. He wants to opt out of the final year on his current two-year deal, and sign a three-year extension. The Heat don’t seem inclined to give him what he’s seeking, which has led to quietly acrimo…