[Security Solution][Exceptions] Adds Exception TTL Cypress tests

[dplumlee]

Summary

Adds more cypress and manual test coverage for the Exceptions TTL feature.

Checklist

Delete any items that are not applicable to this PR.

• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support
• Documentation was added for features that require explanation or tutorials
• Unit or functional tests were updated or added to match the most common scenarios

For maintainers

• This was checked for breaking API changes and was labeled appropriately

[dplumlee]

@elasticmachine merge upstream

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: f58271c

Failed CI Steps

• Security Solution Tests #4

Test Failures

• [job] [logs] Security Solution Tests #4 / Row renderers Selected renderer can be disabled and enabled

Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
securitySolution	15.8MB	15.8MB	+500.0B

Unknown metric groups

ESLint disabled line counts

id	before	after	diff
securitySolution	433	436	+3

Total ESLint disabled count

id	before	after	diff
securitySolution	513	516	+3

History

• 💔 Build #114806 failed a423ed8
• 💚 Build #113107 succeeded b6c494f
• 💔 Build #112573 failed 6f65e57
• 💔 Build #112495 failed b678297
• 💔 Build #111842 failed 55feb39

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @dplumlee