fix: correct aria-label assertion in ObjectView chatter panel test

The test used getByLabelText('Show discussion') but the actual
aria-label rendered by RecordChatterPanel is 'Show Discussion (0)'
(from i18n default translation with count parameter).

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>
Agent-Logs-Url: https://github.com/objectstack-ai/objectui/sessions/e52cb32e-6402-44bb-876a-f0658356524a

Author: Copilot

apps/console/src/__tests__/ObjectView.test.tsx

@@ -918,7 +918,7 @@ describe('ObjectView Component', () => {
 
         // The drawer should render a "Show Discussion" button (ChatterPanel is defaultCollapsed)
         await vi.waitFor(() => {
-            const showBtn = screen.getByLabelText('Show discussion');
+            const showBtn = screen.getByLabelText('Show Discussion (0)');
             expect(showBtn).toBeInTheDocument();
             // Verify items count shows (0) since items are initially empty
             expect(showBtn).toHaveTextContent('Show Discussion (0)');