Mobs can follow the player in spectator mode if he are holding a treat

Summary:
Mobs can follow the player in spectator mode if he are holding a treat.

Steps to reproduce:

1. Summon a mob that can be lured with food.
2. Take a treat for the summoned mob in your hand.
3. Switch to spectator mode (/gamemode 6).
4. Walk and see what the mob is doing.

Observed results:
Mobs can follow the player in spectator mode if he are holding a treat.

Expected results:
The player must not lure mobs in spectator mode.

Image: