fix: [stix2 import] Fixed attribute types import mapping
fix: [stix2 import] Fixed attribute types import mapping

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