Improve audit logs for daily CDEN Validation

Issue Summary

• When email domain is added for email validation, the audit logs has the following recurring entry.

  • Atlassian Internal System | Atlassian Internal System | Edited CDEN Setting custom domain

• This message is actually is for when the system validates the email domain to ensure that it is still valid.
  • No entry is actually edited.

Steps to Reproduce

1. Add an email domain in the Organization.
   • https://support.atlassian.com/organization-administration/docs/add-custom-email-addresses-for-product-notifications/
2. Check the Org's audit logs.
   • https://support.atlassian.com/security-and-access-policies/docs/track-organization-activities-from-the-audit-log/

Expected Results

• Message should instead say something along the lines below.

  • Initiated custom domain validation successfully for CDEN Setting

    or

  • Validated custom domain successfully for CDEN Setting

Actual Results

• We instead see this message, which seems to indicate that we're updating some settings.

  Edited CDEN Setting custom domain