[Bug] Update AuditAccountId typo from server-side root.yaml

[dutt0]

Description of the bug/Issue
The audit account ID is not being referenced. Its showing the downloaded template if not formatted properly for [AuditAccountID]. There is a typo in the server side code root.yaml for AuditAccountId.

Resources that are affected
Template is showing error while doing the Cloudformation update.

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Current behavior
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Expected behavior
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Additional context
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