fix(legacy-druid): undefined filter key (#10931)
fix(legacy-druid): undefined filter key (#10931)


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