This change to nanomanager optimizes the sending of nanoui assets to clients.
The flist (file list) proc was being used multiple times for each client user logon, this now only occurs once when the server starts.
Hopefully this fixes the nanoui assets issue which occurs during peak usage.
Merge pull request #5488 from Faerdan/dev

This change to nanomanager optimizes the sending of nanoui assets to clients.