E2E: Improved robustness (#32091)

* E2E: Update screenshots.

* Updated screenshots.

* Updated screenshots.

* Updated more screenshots.

* Refactored puppeteer.js

* Robustness.

* Refactored Puppeteer flags.

* Robustness.

* Clean up.

* Robustness.

* Updated puppeteer.

* Clean up.

* Robustness.

* Robustness.

* Robustness.

* Clean up.

* Updated screenshots.

* Puppeteer: Enable unsafe swiftshader for MacOS.

* Puppeteer: New deterministic RAF code.

* Puppeteer: Handle browser logs.

* Clean up.

* Updated screenshots.

* Puppeteer: Implement PagePool.

* Updated screenshots.

* Puppeteer: Increase setInterval time.

* Clean up.

* Updated screenshots.

* Change CI workflow OS from Windows to Ubuntu

* Add '--no-sandbox' flag to Puppeteer launch options

* Update Puppeteer flags for improved performance

* Reduce number of browser pages from 8 to 4

* Reduce number of browser pages to 1

* Updated screenshots.

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ windows-latest ]
+        os: [ ubuntu-latest ]
         CI: [ 0, 1, 2, 3 ]
     env:
       CI: ${{ matrix.CI }}