DAVE state after one download

- once I downloaded, if I reload the page (or “download again”), I am in a strange state:
- download step ready to dowload (or downloading in progress)
- but with previous verify informations

Parent Task: #8592 (closed)

Original created by @tchou on 10902 (Redmine)

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information