chore: support experimentalSingleTabRunMode in protocol

[mschile]

Additional details

• When experimentalSingleTabRunMode is enabled, the same tab is used for multiple specs. As such, the protocolManager.connectToBrowser method is not called after the first spec causing all CDP events to be ignored. In order to resolve the issue, we call protocolManager.connectToBrowser before the subsequent specs are run.
• Moved the protocol system-tests to their own project and added CT tests.

Steps to test

Run multiple CT specs and verify the CDP events are captured.

How has the user experience changed?

PR Tasks

• Have tests been added/updated?
• [n/a] Has a PR for user-facing changes been opened in cypress-documentation?
• [n/a] Have API changes been updated in the type definitions?

[cypress]

Passing run #50498 ↗︎

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Details:

Merge branch 'release/13.0.0' into mschile/protocol/single_tab_run_mode
Project: cypress	Commit: cccc7c037a
Status: Passed	Duration: 07:30 💡
Started: Aug 25, 2023 9:38 PM	Ended: Aug 25, 2023 9:45 PM

_{This comment has been generated by cypress-bot as a result of this project's GitHub integration settings.}

[ryanthemanuel]

Approved with the above suggestion

[AtofStryker]

looks good besides the system-test failures. We should be g2g once those are fixed

[cypress-bot]

Released in 13.0.0.

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