Fix URL duplication issue (opensearch-project#2004) (opensearch-project#2010)

Signed-off-by: Derek Ho <dxho@amazon.com>
(cherry picked from commit cac7e08)

Co-authored-by: Derek Ho <dxho@amazon.com>

Author: opensearch-trigger-bot[bot]

public/apps/configuration/app-router.tsx

@@ -159,7 +159,7 @@ export function AppRouter(props: AppDependencies) {
 
   return (
     <DataSourceContext.Provider value={{ dataSource, setDataSource }}>
-      <Router basename={props.params.appBasePath}>
+      <Router>
         <EuiPage>
           {allNavPanelUrls(multitenancyEnabled).map((route) => (
             // Create different routes to update the 'selected' nav item .

public/apps/configuration/test/__snapshots__/app-router.test.tsx.snap

@@ -12,9 +12,7 @@ exports[`SecurityPluginTopNavMenu renders DataSourceMenu when dataSource is enab
     }
   }
 >
-  <HashRouter
-    basename=""
-  >
+  <HashRouter>
     <EuiPage>
       <Route
         exact={true}