In this week's Bar Back, Jon Solomon reports on his visit to Lavish, the club that now occupies the former home of Le Rouge. That was the combo club/fine dining spot at 1448 Market Street (at 15th Street) that boasted a menu created by Eric Roeder, formerly of Micole and Bistro Vendome. But Roeder didn't last long there and Le Rouge itself shut down last year after a messy ownership spat. Now former owner Ray Jafari is back in charge at Lavish (shown on opening night at right).At the same time R