fix: [SG] allow saving sharing groups with empty releasabiltiy tags, fixes #7165
fix: [SG] allow saving sharing groups with empty releasabiltiy tags, fixes #7165

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