Added admin command entity.downloadsign which downloads the sign the player is currently looking at to a folder into the game folder with a given filename.
Same usage restrictions apply as client.
Downloads all frames of neon signs and appends them as 1,2,3, etc
Possible fix for glowing white hair in player preview in inventory screen
Seems to be caused by subsurface scattering, looks like it was introduced in 62630
Disabled the bug fix introduced in that commit just for the preview camera, seems to work ok