On my way into downtown yesterday, I came across the signage to this restaurant driving down Gray. I knew of the Michelin-Starred Dim Sum restaurant heading into Katy Asiatown, but had no clue this was even in the works. Apparently the former sous chef of Yauatcha has found a new home in what was once Maba Pan-Asian Diner. It was too late for me to stop in last night, so I made it my first stop this morning before I ran any errands. It was a good thing because the place quickly filled 15 minutes into the restaurant opening at 11AM. I was apparently the only Asian who missed the…