The state is warning there could be a "period of time" next year when no cigarettes are available for sale in New York, The Post has learned. The state Office of Fire Prevention and Control is expected to release regulations soon that will require that by next July, only self-extinguishing cigarettes can be sold in New York. Buried in a progress report to the state Legislature obtained by The Post, the fire prevention office disclosed that tobacco companies fear they won’t be able to meet that mandate. According to the July 1 memo, the companies say they need sufficient time...