CPLAT-5641 Fix js interop helper deprecations

[greglittlefield-wf]

Motivation

react-dart 4.7.0 added some deprecations.

Changes

Remove references to deprecated jsify, getProperty, setProperty

Release Notes

Fix deprecation warnings from react-dart

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:
    • Verify there are no deprecation warnings coming from jsify/getProperty/setProperty usage
  • 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 Client Platform member has reviewed these changes
• There are no unaddressed comments - this check can be automated if reviewers use the "Request Changes" feature

[aviary-wf]

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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Questions or Comments? Reach out on Slack: #support-infosec.

[joebingham-wk]

+1

[aaronlademann-wf]

+10

@Workiva/release-management-pp

[greglittlefield-wf]

@rmconsole-wf