Fix invalid JS syntax in autonumber fix script

[michael-albinson-sn]

PR Description:

Previously, the file used invalid JS comment
syntax and was missing a closing bracket on
its while block.

Pull Request Checklist

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[ravichandra1998g]

Thank you for your submission. However, it appears that this pull request is incomplete. It lacks A README.md file that describes the code snippet. Please complete your contribution by adding the necessary elements and resubmit or update this pull request for further review. Closing this for now. Once you make additional changes, feel free to re-open this Pull Request or create a new one.

Please refer guidelines from CONTRIBUTING.md

[wiz0floyd]

Since this was not a net new submission the read me file is not required.

[michael-albinson-sn]

Thanks @wiz0floyd - would you mind taking a look at #1752 too? It was closed for the same reason