test: mock package worker warmup in visible elements

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/tests/components/Request/VisibleElements.spec.ts

@@ -57,7 +57,7 @@ vi.mock('@nextcloud/router', () => ({
 }))
 
 vi.mock('@libresign/pdf-elements', () => ({
-	setWorkerPath: vi.fn(),
+	ensureWorkerReady: vi.fn(),
 }))
 
 describe('VisibleElements Component - Business Rules', () => {