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/utils/screenShotPaths.ts

@@ -186,13 +186,6 @@ const screenShotPaths = {
     secondLoadPostHydration: 'secondLoadPostHydration.png',
     viewportAfterSecondDelete: 'viewportAfterSecondDelete.png',
   },
-  crosshairs: {
-    crosshairsRendered: 'crosshairsRendered.png',
-    crosshairsRotated: 'crosshairsRotated.png',
-    crosshairsSlabThickness: 'crosshairsSlabThickness.png',
-    crosshairsResetToolbar: 'crosshairsResetToolbar.png',
-    crosshairsNewDisplayset: 'crosshairsNewDisplayset.png',
-  },
   tmtvRendering: {
     tmtvDisplayedCorrectly: 'tmtvDisplayedCorrectly.png',
   },