fix(explore): switch to correct scheme registry for custom sequential color schemes (#15314)
fix(explore): switch to correct scheme registry for custom sequential color schemes (#15314)

* Switch to correct scheme registry for custom sequential color schemes

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