In Migrating from LRC to LR Can OneDrive cloud be used as a NAS and for the migration cache?

I want to migrate from Windows 11 Lightroom Classic (LRC) to LR, but I need to figure out the details. I have synced some images and edited them in Lightroom, but they are not "originals," so features like Enhance won't work on them. Importing them as .dng files still doesn't create originals, resulting in duplicates with the edits included. Is there an easy way to find these duplicates? Additionally, since I have only 1TB of space, I would like to use OneDrive as a NAS until the images are stored in Adobe Cloud.