Photo: Zainab Iqbal/BklynerPROSPECTS LEFFERTS GARDEN – A one-year-old is dead and police have labeled it a homicide. Last week on Tuesday, November 19 at around 10 a.m., cops were called for an unconscious baby boy at Winthrop Street near Albany Avenue. One-year-old Aidenn Joyette was unconscious and unresponsive. He