508 Appointment list refactor to reduce screenreader verbosity

[JunTaoLuo]

Are you removing, renaming or moving a folder in this PR?

• No, I'm not changing any folders (skip to TeamSites and delete the rest of this section)
• Yes, I'm removing, renaming or moving a folder

⚠️ TeamSites ⚠️

Examples of a TeamSite: https://va.gov/health and https://benefits.va.gov/benefits/. This scenario is also referred to as the "injected" header and footer. You can reach out in the #sitewide-public-websites Slack channel for questions.

Did you change site-wide styles, platform utilities or other infrastructure?

• No
• Yes, and I used the proxy-rewrite steps to test the injected header scenario

Summary

• Remove redundant roles in AppointmentRow and AppointmentColumn to reduce verbosity when navigating via screen readers like Voice Over
• Appointments (VAOS) Team
• This is not behind a Flipper

Related issue(s)

• Code appt lists to reduce screenreader noise - 508 Defect 3 va.gov-team#99926

Testing done

• Tested appointment lists locally with various screen widths
• Tested locally with Voice Over

Screenshots

These screenshots are expected to be identical before and after this change since the visible UI should remain unchanged.

	Before	After
Mobile (Narrow)
Mobile (Wide)
Desktop

What areas of the site does it impact?

Appointments (VAOS)

Acceptance criteria

Quality Assurance & Testing

• I fixed|updated|added unit tests and integration tests for each feature (if applicable).
• No sensitive information (i.e. PII/credentials/internal URLs/etc.) is captured in logging, hardcoded, or specs
• Linting warnings have been addressed
• Documentation has been updated (link to documentation *if necessary)
• Screenshot of the developed feature is added
• Accessibility testing has been performed

Error Handling

• Browser console contains no warnings or errors.
• Events are being sent to the appropriate logging solution
• Feature/bug has a monitor built into Datadog or Grafana (if applicable)

Authentication

• Did you login to a local build and verify all authenticated routes work as expected with a test user

[rmessina1010]

LGTM

[jenniemc]

LGTM!