[Workspace] Recover data source management in workspace (#7296)

* recover DSM in workspace

Signed-off-by: tygao <tygao@amazon.com>

* Changeset file for PR #7296 created/updated

---------

Signed-off-by: tygao <tygao@amazon.com>
Co-authored-by: opensearch-changeset-bot[bot] <154024398+opensearch-changeset-bot[bot]@users.noreply.github.com>
Co-authored-by: ZilongX <99905560+ZilongX@users.noreply.github.com>

changelogs/fragments/7296.yml

@@ -0,0 +1,2 @@
+feat:
+- Recover data source management in workspace ([#7296](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/7296))

src/plugins/workspace/public/plugin.ts

@@ -129,7 +129,7 @@ export class WorkspacePlugin implements Plugin<{}, {}, WorkspacePluginSetupDeps>
   };
 
   /**
-   * If workspace is enabled and user has entered workspace, hide advance settings and dataSource menu by disabling the corresponding apps.
+   * If workspace is enabled and user has entered workspace, hide advance settings by disabling the corresponding apps.
    */
   private disableManagementApps(core: CoreSetup, management: ManagementSetup) {
     const currentWorkspaceId$ = core.workspaces.currentWorkspaceId$;
@@ -138,7 +138,7 @@ export class WorkspacePlugin implements Plugin<{}, {}, WorkspacePluginSetupDeps>
     this.managementCurrentWorkspaceIdSubscription = currentWorkspaceId$.subscribe(
       (currentWorkspaceId) => {
         if (currentWorkspaceId) {
-          ['settings', 'dataSources'].forEach((appId) =>
+          ['settings'].forEach((appId) =>
             management.sections.section.opensearchDashboards.getApp(appId)?.disable()
           );
         }