feat: finalize Word Cloud move to new chart data endpoint (#9975)

* remove word cloud from viz.py

* Fix Run in SQL Lab

* remove deprecated python tests

* break out legacy endpoint type into function

* Break out exploreChart from exportChart and implement results type

* Fix jest tests and refactor accordingly

* lint

* Rename v1 payload function

* Add dashboard id to v1 chart data request url params

* Add support for domain sharding to v1 chart data request

superset-frontend/src/explore/components/DisplayQueryButton.jsx

@@ -90,7 +90,11 @@ export class DisplayQueryButton extends React.PureComponent {
   beforeOpen(resultType) {
     this.setState({ isLoading: true });
 
-    getChartDataRequest(this.props.latestQueryFormData, 'json', resultType)
+    getChartDataRequest({
+      formData: this.props.latestQueryFormData,
+      resultFormat: 'json',
+      resultType,
+    })
       .then(response => {
         // Currently displaying of only first query is supported
         const result = response.result[0];

superset-frontend/src/explore/components/ExploreActionButtons.jsx

@@ -47,8 +47,16 @@ export default function ExploreActionButtons({
   const exportToCSVClasses = cx('btn btn-default btn-sm', {
     'disabled disabledButton': !canDownload,
   });
-  const doExportCSV = exportChart.bind(this, latestQueryFormData, 'csv');
-  const doExportChart = exportChart.bind(this, latestQueryFormData, 'results');
+  const doExportCSV = exportChart.bind(this, {
+    formData: latestQueryFormData,
+    resultType: 'results',
+    resultFormat: 'csv',
+  });
+  const doExportChart = exportChart.bind(this, {
+    formData: latestQueryFormData,
+    resultType: 'results',
+    resultFormat: 'json',
+  });
 
   return (
     <div className="btn-group results" role="group">