Migrating documents from the Proj. Documentation to Gen. Documentation Tab

We have created all our blueprinting documentation under a Solution Manager Template, however by accident all the documents were created under the Project Documenation Tab of transaction SOLAR01.

In order to leverage the template on roll out projects we need to move all the documents to the General Documentation tab.

Does anyone knows what would be the easiest way to move all those documents? I was thinking on writing an ABAP to update a table attribute or something but I cant seem to find where in the data model is the attribute that indicates if the document is on the project doc tab vs the general documentation tab.

Thanks in advance for your help,

Alejandro