fix: implement legacy druid dashboard import (#10135)
fix: implement legacy druid dashboard import (#10135)


zhouyao1994/incubator-superset,apache/incubator-superset,airbnb/caravel,airbnb/caravel,apache/incubator-superset,mistercrunch/panoramix,mistercrunch/panoramix,mistercrunch/panoramix,zhouyao1994/incubator-superset,zhouyao1994/incubator-superset,mistercrunch/panoramix,zhouyao1994/incubator-superset,airbnb/superset,zhouyao1994/incubator-superset,airbnb/superset,airbnb/caravel,apache/incubator-superset,apache/incubator-superset,airbnb/caravel,apache/incubator-superset,airbnb/superset,airbnb/superset