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.

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

tests/Reset.spec.ts

@@ -6,9 +6,18 @@ test.beforeEach(async ({ page }) => {
   await visitStudy(page, studyInstanceUID, mode, 2000);
 });
 
-test('should reset the image to its original state', async ({ page, mainToolbarPageObject }) => {
+test('should reset the image to its original state', async ({
+  page,
+  mainToolbarPageObject,
+  viewportPageObject,
+}) => {
   await mainToolbarPageObject.moreTools.rotateRight.click();
   await mainToolbarPageObject.moreTools.invert.click();
   await mainToolbarPageObject.moreTools.reset.click();
-  await checkForScreenshot(page, page, screenShotPaths.reset.resetDisplayedCorrectly);
+
+  await checkForScreenshot(
+    page,
+    viewportPageObject.grid,
+    screenShotPaths.reset.resetDisplayedCorrectly
+  );
 });