Add docScreenshot for ExtractDetail header-and-stats state

Author: JSv4

docs/assets/images/screenshots/auto/extracts--detail-view--header-and-stats.png

@@ -17,6 +17,7 @@
 import React from "react";
 import { test, expect } from "./utils/coverage";
 import { ExtractDetailTestWrapper } from "./ExtractDetailTestWrapper";
+import { docScreenshot } from "./utils/docScreenshot";
 import {
   buildExtractDetailMocks,
   makeMockExtract,
@@ -172,6 +173,8 @@ test.describe("ExtractDetail — header and stats", () => {
       statLabels.filter({ hasText: /^Success Rate$/ })
     ).toBeVisible();
 
+    await docScreenshot(page, "extracts--detail-view--header-and-stats");
+
     await component.unmount();
   });
 });