fixed statistic page (#55)

* auto annotation change + update packages

* annotation box now move with vide indicator

* Update README.md

* Update README.md

* expose the dataset through window.dataset

* upgrade third party apis

* optimizations

* added env var

* fix d3 breaking changes

* added search and download dataset

* fixed datatype for the download object

* added redirect

* fixed tooltips

* fix statstic with no data to show

components/datasetePage/statsticsPage.js

@@ -16,6 +16,13 @@ export default function StatsticsPage({ dataset }) {
 
   const getTabcontent = () => {
     const annotation = annotationsStatstics[tabId];
+    if (annotation === undefined)
+      return (
+        <>
+          {" "}
+          <h3>No data available to show!</h3>
+        </>
+      );
     const subannotationsStatstics = getAnnotationsStatstics(
       annotation.subAnnotations
     );