fix: [opendata export] No longer using the returnFormat field as the dataset resource format
fix: [opendata export] No longer using the returnFormat field as the dataset resource format

- The resource format can be defined with a
  'format' field within the resource field in the
  setup filter

MISP/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,SteveClement/MISP