Tridents sink below the ground when dropped

The Bug

When dropping a trident it sinks below the ground.

Steps to Reproduce

• Obtain a trident and drop it on the ground. (Press the "Q" key by default when holding it).
• Look closely at the bottom part of the trident as it bobs up and down.
• Take note as to whether or not trident item entities appear to sink below the ground a bit when bobbing up and down.

Observed Behavior

Trident item entities appear to sink below the ground a bit when bobbing up and down.

Expected Behavior

Trident item entities would not appear to sink below the ground a bit when bobbing up and down.