96963 Update form1010d flipper actor type to cookie_id - form 10-10d

[michaelclement]

Summary

Updates the flipper type to be cookie_id rather than user. Using cookie_id as it should provide a more consistent experience for any users who are allowed to see the content behind the toggle in any of the multiple locations on va.gov where it is used.

• Updated flipper actor type

Related issue(s)

• 10-10d Update flipper for staged launch va.gov-team#96963

Testing done

• Manual

Screenshots

NA

What areas of the site does it impact?

This form only

Acceptance criteria

• I fixed|updated|added unit tests and integration tests for each feature (if applicable).
• No error nor warning in the console.
• Events are being sent to the appropriate logging solution
• Documentation has been updated (link to documentation)
• No sensitive information (i.e. PII/credentials/internal URLs/etc.) is captured in logging, hardcoded, or specs
• Feature/bug has a monitor built into Datadog (if applicable)
• If app impacted requires authentication, did you login to a local build and verify all authenticated routes work as expected
• I added a screenshot of the developed feature

Requested Feedback

NA

[github-actions]

Backend-review-group approval confirmed.