Fixing an issue with stripping filter values (#3869)
Fixing an issue with stripping filter values (#3869)


airbnb/superset,timifasubaa/incubator-superset,dmigo/incubator-superset,airbnb/caravel,apache/incubator-superset,zhouyao1994/incubator-superset,zhouyao1994/incubator-superset,mistercrunch/panoramix,alanmcruickshank/superset-dev,dmigo/incubator-superset,alanmcruickshank/superset-dev,airbnb/caravel,apache/incubator-superset,zhouyao1994/incubator-superset,zhouyao1994/incubator-superset,mistercrunch/panoramix,zhouyao1994/incubator-superset,airbnb/superset,airbnb/superset,timifasubaa/incubator-superset,mistercrunch/panoramix,mistercrunch/panoramix,dmigo/incubator-superset,timifasubaa/incubator-superset,alanmcruickshank/superset-dev,airbnb/caravel,alanmcruickshank/superset-dev,timifasubaa/incubator-superset,apache/incubator-superset,airbnb/caravel,dmigo/incubator-superset,apache/incubator-superset,airbnb/superset,apache/incubator-superset