It may be cold outside, but not in Sharon Clott's cubicle. For she was the lucky one among the nymag.com fashion staff to receive a complimentary bottle of Beyoncé's new Heat fragrance today. Seized undoubtedly by impulse, she actually spritzed it on her wrist. Once on the skin, the scent transformed in a matter of just a few minutes from something floral-y and vaguely acceptable to an offensiv…