fix(UI): Restored the scroll bar OHIF L&F (#5202)

tests/Worklist.spec.ts

@@ -0,0 +1,30 @@
+import { test } from 'playwright-test-coverage';
+import { checkForScreenshot, screenShotPaths } from './utils';
+
+test.beforeEach(async ({ page }) => {
+  await page.goto(`/?datasources=ohif`);
+  await page.waitForLoadState('domcontentloaded');
+  await page.waitForLoadState('networkidle');
+  await page.waitForTimeout(2000);
+});
+
+test('should render scroll bars with the correct look-and-feel', async ({ page }) => {
+  const studyRowHeader = await page.getByTestId(
+    '1.3.6.1.4.1.14519.5.2.1.5099.8010.217836670708542506360829799868'
+  );
+
+  await studyRowHeader.scrollIntoViewIfNeeded();
+  await studyRowHeader.click();
+
+  const expandedStudyRow = await page.getByTestId(
+    'studyRow-1.3.6.1.4.1.14519.5.2.1.5099.8010.217836670708542506360829799868'
+  );
+  await expandedStudyRow.scrollIntoViewIfNeeded();
+
+  await checkForScreenshot({
+    page,
+    locator: expandedStudyRow,
+    normalizedClip: { x: 0.97, y: 0.35, width: 0.03, height: 0.65 },
+    screenshotPath: screenShotPaths.workList.scrollBarRenderedProperly,
+  });
+});