Weird bug with enchantment glow.

Basically, there's an issue with the purple 'enchanted' glow. It filled the whole square, not just the item.

What I expected to happen was...:
well, i was playing, and pretty much everything was fine, until-

What actually happened was...:
All things using the purple enchantment glow (enchanted books, potions, etc) and when I went into survival, it was the same.

Steps to Reproduce:
1. Simple- find/make a potion, an enchanted book, or just find them in creative menu.
2. ...
3. ...