test(e2e): update Playwright screenshots and add better tests and assertions for area calculations (#6022)

* Add (better) assertions for area calculation fixes.
* Add SVG and measurement side panel area for freehand ROI test.
* Add Playwright viewport screenshot scope migration guide.
* Update cornerstonjs dependencies to 4.22.8. Ensure all versions of @babel/preset-env are 7.29.5.

---------

Co-authored-by: Ghadeer Albattarni <165973963+GhadeerAlbattarni@users.noreply.github.com>

tests/Probe.spec.ts

@@ -16,5 +16,10 @@ test('should display the probe tool', async ({
   const activeViewport = await viewportPageObject.active;
   await activeViewport.clickAt([{ x: 550, y: 200 }]);
   await DOMOverlayPageObject.viewport.measurementTracking.confirm.click();
-  await checkForScreenshot(page, page, screenShotPaths.probe.probeDisplayedCorrectly);
+
+  await checkForScreenshot(
+    page,
+    viewportPageObject.grid,
+    screenShotPaths.probe.probeDisplayedCorrectly
+  );
 });