CXP-3019: Remove optional chaining usage

[Jean-Pierre-Portier]

PR Checklist

Description of changes:

Link(s) to Storybook on docspot:

• Manually tested across supported browsers

  • [X] Chrome
  • [X] Firefox
  • [ ] Safari

• [ ] Two cxp team engineer approvals

• [ ] One product design approval (as necessary)

• [ ] Unit tests written (common at minimum)

• [X] PR has one of the semver- labels

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