Alma Manabat Parker is the subject of the short documentary “Bridging Our Stories,” which follows her journey across the Philippines to study dance with Indigenous groups. (Production still courtesy of Rafael Bitanga) Ketchikan has one of the longest-standing Filipino populations in Alaska. And one woman is working to keep traditional dance practices alive for the city’s next generation. Alma Manabat Parker is the subject of a new 24-minute docu…