Entities don't recognize sniffer eggs as obstacles when pathfinding

The Bug:

Entities don't recognize sniffer eggs as obstacles when pathfinding.

Steps to Reproduce:

1. Place down a circle of sniffer eggs.

2. Summon a mob inside of them and attack it.

3. Take note as to whether or not entities don't recognize sniffer eggs as obstacles when pathfinding.

Observed Behavior:

Entities don't recognize sniffer eggs as obstacles when pathfinding.

Expected Behavior:

Entities would recognize sniffer eggs as obstacles when pathfinding.