Because the Met Gala always falls on a Monday, one would think those responsible for getting celebrities up the museum steps would come down with severe cases of the “Sunday scaries.” Not Wayman Bannerman and Micah McDonald. As the clock struck midnight, the styling duo — known simply as Wayman + Micah — didn’t seem to have a care in the world. And why should they? Their third pre-Met fete, this time held at the post-Met hot spot: Boom atop The Standard High Line, was just heating up. “It’s the biggest Monday of the year, but we’re excited. We’re celebrating joy tonight,” McDonald said. “Wayman and I are very big on community, so they all come out. We’re gonna have a great time for a few hours, go home and get some sleep.” Colman Domingo Christopher Polk/WWD Longtime client Colman Domingo surely tuckered himself out from all the dancing he did, first in the VIP lounge, then on the clam-shaped stage, and finally by the mirror-lined exit.…