Fix broken link in the Overview page

The 'Try our sample data' link in the opensearch dashboards
overview page is broken. It has to be pointed to the path
`/home#/tutorial_directory/sampleData`. This commit fixes it.

Signed-off-by: Venu Vardhan Reddy Tekula <venu@bitergia.com>

src/plugins/opensearch_dashboards_overview/public/components/add_data/add_data.tsx

@@ -72,7 +72,7 @@ export const AddData: FC<Props> = ({ addBasePath, features }) => {
             <EuiButtonEmpty
               className="osdOverviewDataAdd__actionButton"
               flush="left"
-              href={addBasePath('#/tutorial_directory/sampleData')}
+              href={addBasePath('/app/home#/tutorial_directory/sampleData')}
               iconType="visTable"
               size="xs"
             >