By Rebekah Pothaar Fashion designers in Shanghai are a jiao a dozen. What is rare is a designer with an innovative concept — not copied, borrowed or recycled from a different era. Born in Guyana to Haitian parents and raised in Paris, emerging designer Sheilla Constance Sidney arrived in Shanghai one year ago. Living in China inspired her interest in integrating traditional African and Chinese fashion. Habesha, the name of her collection, means 'mixed' in...