[hofix] work around circular deps (#3598)

* [hofix] work around circular deps

* lint

superset/assets/javascripts/explore/components/controls/index.js

@@ -0,0 +1,32 @@
+import BoundsControl from './BoundsControl';
+import CheckboxControl from './CheckboxControl';
+import CollectionControl from './CollectionControl';
+import ColorSchemeControl from './ColorSchemeControl';
+import DatasourceControl from './DatasourceControl';
+import DateFilterControl from './DateFilterControl';
+import FilterControl from './FilterControl';
+import HiddenControl from './HiddenControl';
+import SelectAsyncControl from './SelectAsyncControl';
+import SelectControl from './SelectControl';
+import TextAreaControl from './TextAreaControl';
+import TextControl from './TextControl';
+import TimeSeriesColumnControl from './TimeSeriesColumnControl';
+import VizTypeControl from './VizTypeControl';
+
+const controlMap = {
+  BoundsControl,
+  CheckboxControl,
+  CollectionControl,
+  ColorSchemeControl,
+  DatasourceControl,
+  DateFilterControl,
+  FilterControl,
+  HiddenControl,
+  SelectAsyncControl,
+  SelectControl,
+  TextAreaControl,
+  TextControl,
+  TimeSeriesColumnControl,
+  VizTypeControl,
+};
+export default controlMap;