Entity hitboxes render in front of block selection outline on transparent blocks and entity-rendered blocks

The bug

Entity hitboxes are visible behind the edges of shulker boxes and chests.

How to reproduce

• Have Fabulous Graphics on.
• Activate entity hitboxes with F3 + B.
• Put a shulker box behind any entity.
• Look at shulker box.

           See how the entity hitboxes can be seen on the edges of the shulker box.

Expected Result

You wouldn't see hitboxes behind shulker boxes.