THERE IS NEVER too much partying if it's for charity, and last week there were no less than seven fund-raisers. The Ritz-Carlton had its annual Gingerbread Masterpiece Competition last Thursday, which raised $43,500 for the Hong Kong Society for the Protection of Children. Eight chefs from deluxe hotels and restaurants in the SAR competed. The Grand Hyatt came out on top. Former Miss Hong Kongs Isabelle Leung and May Woo lent support with their presence at the auction of the winning gingerbread masterpiece.