test(cockpit): update tests for streamResource migration

Replace streaming.service.ts with app.config.ts in codeAssetPaths assertion
to match the updated streaming capability module.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: blove

apps/cockpit/src/lib/route-resolution.spec.ts

@@ -85,7 +85,7 @@ describe('getCapabilityPresentation', () => {
       promptAssetPaths: ['cockpit/langgraph/streaming/python/prompts/streaming.md'],
       codeAssetPaths: [
         'cockpit/langgraph/streaming/angular/src/app/streaming.component.ts',
-        'cockpit/langgraph/streaming/angular/src/app/streaming.service.ts',
+        'cockpit/langgraph/streaming/angular/src/app/app.config.ts',
       ],
     });
   });