How to download collaboration document from Documents app

I uploaded an open document text file (ODT) created in LibreOffice to my Nextcloud instance and then opened it in the Documents app. I shared it with a public link so some people could collaboratively edit it with me. After we made some edits, the document in the Documents app has diverged from the file you get when you download it from the Files app. I have no idea how to download the updated document as rendered in the Documents app. Can anyone help me with this?

I’m surprised no one has a simple answer to this question. Perhaps it just got buried in the pile? Is there no way to download documents from the Documents app after they’ve been edited and annotated using that app?