Save the UPDATED files in the database

Those are files that were detected as "resolved conflict".
They should have been a conflict because they both were new, or both
had their local mtime or remote etag modified, but the size and mtime
is the same on the server.  This typically happen when the database is removed.
Nothing will be done for those file, but we still need to update the database.
emit the EndDownload progress at the right place.

It was put in rename instead of download
Always download the conflicted files.

Conflicts have a direction==NONE. And they need to be downloaded, not uploaded