feat: Synchronously return cached charts (#15157)

* feat: Synchronously return cached charts

* Fix lint issue

* Fix python lint error

* Change getChartDataRequest to return response

* Fix lint errors

* Add test

* explore_json: skip cached data check for forced refresh

Co-authored-by: Rob DiCiuccio <rob.diciuccio@gmail.com>

superset-frontend/src/explore/components/controls/ViewQueryModal.tsx

@@ -58,9 +58,9 @@ const ViewQueryModal: React.FC<Props> = props => {
       resultFormat: 'json',
       resultType,
     })
-      .then(response => {
+      .then(({ json }) => {
         // Only displaying the first query is currently supported
-        const result = response.result[0];
+        const result = json.result[0];
         setLanguage(result.language);
         setQuery(result.query);
         setIsLoading(false);