A group of fun-loving bartenders who flash their boobs, twerk and do shots with patrons will be at the center of a new episode of Bar Rescue airing Sunday — and this one, we must admit, looks like a doozy.In the episode, airing this Sunday, July 10, at 8 p.m. central time, host Jon Taffer visits City Bistro, a south city bar where apparently the staff is clearly having way too much fun.…