Fix CatalogClient reference in create-app too

packages/create-app/templates/default-app/packages/backend/src/plugins/scaffolder.ts

@@ -8,6 +8,7 @@ import {
   CatalogEntityClient,
 } from '@backstage/plugin-scaffolder-backend';
 import { SingleHostDiscovery } from '@backstage/backend-common';
+import { CatalogClient } from '@backstage/catalog-client';
 import type { PluginEnvironment } from '../types';
 import Docker from 'dockerode';
 
@@ -28,7 +29,8 @@ export default async function createPlugin({
   const dockerClient = new Docker();
 
   const discovery = SingleHostDiscovery.fromConfig(config);
-  const entityClient = new CatalogEntityClient({ discovery });
+  const catalogClient = new CatalogClient({ discoveryApi: discovery });
+  const entityClient = new CatalogEntityClient({ catalogClient });
 
   return await createRouter({
     preparers,