Fix silent markdown editor fallback

ui/src/components/MarkdownEditor.test.tsx

@@ -306,11 +306,9 @@ describe("MarkdownEditor", () => {
     });
 
     await flush();
-
     await vi.waitFor(() => {
       expect(container.querySelector("textarea")).not.toBeNull();
     });
-
     const textarea = container.querySelector("textarea");
     expect(textarea).not.toBeNull();
     expect(textarea?.value).toBe("Affected versions: <= v0.3.1");