FED-2299 Utilize new ReactNode typedef

[aaronlademann-wf]

Second attempt at #893 since Rosie failed to pick up the build on that one

Motivation

Workiva/react-dart#384 adds a new typedef that is an alias for Object?. We should use it!

Changes

Use it where appropriate

Release Notes

Review

See CONTRIBUTING.md for more details on review types (+1 / QA +1 / +10) and code review process.

Please review:

QA Checklist

• Tests were updated and provide good coverage of the changeset and other affected code
• Manual testing was performed if needed
  • Steps from PR author:
  • Anything falling under manual testing criteria outlined in CONTRIBUTING.md

Merge Checklist

While we perform many automated checks before auto-merging, some manual checks are needed:

• A Frontend Frameworks Design member has reviewed these changes
• There are no unaddressed comments - this check can be automated if reviewers use the "Request Changes" feature
• For release PRs - Version metadata in Rosie comment is correct

[aviary3-wk]

Security Insights

No security relevant content was detected by automated scans.

Action Items

• Review PR for security impact; comment "security review required" if needed or unsure
• Verify aviary.yaml coverage of security relevant code

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[greglittlefield-wf]

+10

@Workiva/release-management-p

[rmconsole-wf]

+1 from RM