Website: set command argument to undefined if not required

[beesaferoot]

Brief summary of the change made

Fix bug that causes an error with disable_payg/counter_sync token types.

Are there any other side effects of this change that we should be aware of?

Describe how you tested your changes?

Pull Request checklist

Please confirm you have completed any of the necessary steps below.

• Meaningful Pull Request title and description
• Changes tested as described above
• Added appropriate documentation for the change.
• Created GitHub issues for any relevant followup/future enhancements if appropriate.

[dmohns]

Thanks 🙏