Half-Life 2 Compat Bug: npc_grenade_bugbait doesn't place beerspash decal

### Describe the bug

When bugbait collides with map, brush, or prop, no decal is created.

[https://youtu.be/7QgeuOZ_ca0](url)

### To Reproduce

1. Give player weapon_bugbait
2. throw at the map, a brush entity, or prop/npc
3. see how there's no beersplash decal placed on impact.

### Operating System

_No response_