Firefox saves the link a file was downloaded from in the file’s metadata. How do I change that?

I’m on MacOS.

file downloaded on Firefox -> right click -> get info -> (under more info) where from: the exact link the file was downloaded from

My friend checked and for some reason on his MacOS laptop no files downloaded while using Firefox have the ‘where from’ section in the ‘get info’. He doesn’t remember how he achieved that, though.

Does anyone know what settings I need to change so that no link saved in a file’s metadata is …

change click file files firefox info laptop link macos metadata privacy under