fix(chart): ensure samples data is displayed (#16900)

* initial fix

* use data keys for cols

* add e2e test

* remove code

* trim logic

superset-frontend/src/explore/components/DataTableControl/index.tsx

@@ -150,5 +150,5 @@ export const useTableColumns = (
                 } as Column),
             )
         : [],
-    [data, moreConfigs],
+    [data, colnames, moreConfigs],
   );