BIS-753: Implemented file download using the modern File System Access API to avoid loading a whole file into the memory. Does not work in Firefox.

BIS-753: Correct AFS server dependency setup. Added the property 'server-public-information.afs-server.url' to service.properties.

BIS-753: Working on the bar with disk space. Planed the indicator on the same line with the navigation bar.

SSDM-13579: Fixed infinite refresh issue and the fact that even nested files were shown in the list.