Sync code and QR code not visible after appdata swap

I updated my computer to windows 11 via clean install but backed up brave appdata.
On replacing the appdata into new brave installation, everything thing came back as before but my passwords were gone. So I tried to use the sync code as passwords were backed up there. But now my sync code is not showing up even if It still shows me the devices page and everything like its there but just not showing up.
Is there any way I can read cover my sync code using old appdata because there’s still a folder called sync there?