PW Upgrade and improving login

[NavneetThekkumpat]

Attempt to improve stability of testengine by updating the Playwright version used 1.35.0. Also includes the improvements from https://github.com/microsoft/PowerApps-TestEngine/pull/253 (Fix Race Condition, Login Issues + Upgrade Playwright ver ) Thanks to @Grant-Archibald-MS for the above contribution.

Error below happens currently when memory overload or CPU utilization is high and we run TestEngine.

Checklist

• [x] The code change is covered by unit tests. I have added tests that prove my fix is effective or that my feature works
• [x] I have performed end-to-end test locally.
• [x] New and existing unit tests pass locally with my changes
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I used clear names for everything
• [x] I have performed a self-review of my own code

[github-actions[bot]]

Package	Line Rate	Branch Rate	Complexity	Health
Microsoft.PowerApps.TestEngine	91%	88%	914	✔
Summary	91% (2416 / 2642)	88% (554 / 630)	914	✔

Minimum allowed line rate is 85%