Acid runner explosion goes through windows, doors.

## Testmerges
#8365: 'Hellhound rework and re-sprite' by Red-byte3D at commit aca9910a2c
#8273: 'Smartscope now uses alt IFF.' by Detective-Google at commit 61e30f00b7
#8292: 'Update to Lower Medbay - Complete redesign' by LC4492 at commit 4150997e45
#8442: 'Removes devour, replaces it with haul. #2737 Revival' by casperr04 at commit 093e9ba686
#7645: 'adds poll subsystem, entities and ui' by hry-gh at commit ddd2f66fd9
#8495: 'More than one pill bottle in the chem master' by SerheyKr at commit 3aaee6a34d
#8502: 'More follow tabs.' by realforest2001 at commit 916dc2c5ad
#8470: 'faster cellauto explosions' by jupyterkat at commit 8f5705eeb1
#8501: 'Adds MC_TICK_CHECK to SSInactivity' by Zonespace27 at commit 3b85a2beb4

## Round ID
26481

## Description of the bug
2 humans have windows and doors which separates them from acid runner, acid runner explodes, they die even while having obstacle between them and runner.

## What's the difference with what should have happened?
Windows and doors stop acid cloud from passing and magicaly appearing in that area which should be safe.

## How do we reproduce this bug?
1) Amass around 1000 acid
2) Press for the hive
3) Explode while having people in line of sight, but which are behind closed windows and doors.
4) Acid cloud still passes it
5)They die

## Attached logs
```
N/A
```

## Additional details
- Author: CyberiaMochi
- Admin: Segrain
- Note: None