Summary: I was breaking doors for a build in creative to find out that if a player breaks the top half of the door the item drops.

Steps to Reproduce:
Step 1: Create a World.
Step 2: Go into Creative Mode.
Step 3: Place a Door.
Step 4: Aim at the Top Half of the Door.
Step 5: Break the Door.
Step 6: Repeat.

Observed Result: Door Item Drops when the Player breaks top half of the door.

Expected Result: Door Item shouldn't drop if a player breaks top half of the door.