Smoke coming through the wall

[MetalSage]

Description

If you fire a smoke grenade from the grenade launcher at the wall behind which there is a void, the smoke will pass through the wall.

Reproduction

1. Take WeaponLauncherM92 and M40Smoke
2. Unload the grenade launcher
3. Load the grenade launcher with a smoke grenade
4. Shoot at the wall behind which there is nothing

Screenshots

2024-05-05_19-36-24.mp4

Additional context

[DrSmugleaf]

This won't be a problem live since explosions won't be able to create vacuums (see space-wizards/space-station-14#27548)
Upstream though, explosions should probably be changed to not break tiles under walls.