If we're checking for thoroughness, did you download Edelweiss? Right now, the dupe in the folder is an exact copy of the one I uploaded.
If any collaborator misclicked Edelweiss' file to "Make a copy," then the dupe would have been named, "Copy of Edelweiss," which it isn't, so unlikely that's what happened. If it was uploaded again, then yeah, that's one possibility.