[96835] [96855] Add org select requirement and show selection

[jvcAdHoc]

• 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

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

• This pr adds validation to organization selection to force users to select an option
• This pr adds the checked attribute to the radio buttons to show users their selection when navigating backwards

Related issue(s)

• 96835
• 96855

Testing done

• Went through flow locally with all rep types options as well as through the review page to confirm expected behavior

Screenshots

Before

Screen.Recording.2024-11-14.at.8.41.38.AM.mov

After

Screen.Recording.2024-11-14.at.9.08.36.AM.mov

What areas of the site does it impact?

Appoint a Rep Form 21-22 and 21-22a

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

[harshil1793]

It looks like the new code at line 10 introduces a new linting warning. Can we please clean those up before we merge this?