fix(ui): finish dashboard i18n follow-up pass

ui/tests/setup/vitest-setup.ts

@@ -3,6 +3,7 @@
  * Global test configuration and matchers
  */
 
+import '../../src/lib/i18n';
 import '@testing-library/jest-dom/vitest';
 import { cleanup } from '@testing-library/react';
 import { afterEach, vi } from 'vitest';