Hi @zak hammer
According to the official document, we need to sync the folders manually again:
For more information, you could refer to:
https://support.microsoft.com/en-gb/office/sync-sharepoint-and-teams-files-with-your-computer-6de9ede8-5b6e-4503-80b2-6190f3354a88
You could also send feedback to Microsoft SharePoint Feedback so that this requirement could be achieved one day.
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