Add additional airlock tests and perf and logging tweaks

[marrobi]

What is being addressed

I made these changes to do some airlock load testing as per #3725 and others. We may not decide to merge this PR, but wanted to start a discussion, especially around requirement for email addresses to use the airlock.

How is this addressed

• Configure a longer timeout on gunicorn and set to 5 workers
• Remove unessecary print of cosmos partition key
• Enable console logging handler in DEBUG.
• Configure airlock to work without email addresses configured. Not sure why these are mandatory, notifications might be picked up y systems other than email. Allows service principal to be used for testing.
• Configure auto app reg creation for e2e tests if AUTO_WORKSPACE_APP_REGISTRATION is configured.
• Added perf test to airlock.

[github-actions]

Unit Test Results

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Results for commit 54cc01c.

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