VaNotify - Re-enable 1990e confirmation emails to authenticated users

[nathanbwright]

Summary

• Re-enables sending confirmation emails to authenticated users of the https://www.va.gov/education/apply-for-education-benefits/application/1990E/introduction form (previously disabled in VaNotify - Only send 1990 and 1990E confirmations to unauthenticated users #12601)

Related issue(s)

• https://app.zenhub.com/workspaces/forms-strike-team-620c2914e703390013c4b414/issues/gh/department-of-veterans-affairs/vanotify-team/1002

Testing done

• Updated specs

Screenshots

Note: Optional

What areas of the site does it impact?

(Describe what parts of the site are impacted andifcode touched other areas)

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 or Grafana (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

(OPTIONAL)What should the reviewers know in addition to the above. Is there anything specific you wish the reviewer to assist with. Do you have any concerns with this PR, why?

[ryan-mcneil]

LGTM