Cracks on enchanting table book have fixed/constant rotation

The bug

The cracks that appear on the book of an enchanting table are always at the same rotation, and will remain in the exact same position even as the book moves and rotates, which looks very strange.

How to reproduce

1. Get on top of an enchanting table

2. Start punching it

3. Move around on top

Expected results

The cracks would rotate with the book.

Actual results

They do not.