Endermen can pick up and place snowless snowy grass blocks

The bug

Now that endermen copy block states exactly when picking up and placing blocks, they can grab and place snowy grass (and mycelium, podzol...). They appear with the strange top texture (MC-109531) and when placed, exist as an invalid block state (snowy, but with no snow on top).

Code analysis

Code analysis by BillyGalbreath can be found in this comment.