Debug CI race conditions

[iAmmar7]

Description

• Added test utilities to e2e-js from here: Refactor CF E2E Tests to use Playwright APIs and replace custom promise approach #1285
• Replaced page.evaluate with new utilities in the Video SDK tests.
• Introduced new Playwright projects to divided tests into multiple projects.

Type of change

• Internal refactoring
• Bug fix (bugfix - non-breaking)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Code snippets

In case of new feature or breaking changes, please include code snippets.

[changeset-bot]

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Latest commit: 64e12fc

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[iAmmar7]

Audience test failure: https://github.com/signalwire/signalwire-js/actions/runs/16938418186/job/48002027675?pr=1280

1. [page1] verto.invite
2. [page3] verto.invite
3. [page2] verto.invite
4. [page3] verto.invite
5. [page1] video.room.subscribed
6. [page2] video.room.subscribed
7. [page3] video.room.subscribed - never received