infinite metal foam tile

## Testmerges
#8959: 'Speech bubble update' by Blundir at commit 42361441ef
#7703: 'Hivelord Strain: Designer [Ver. 0.7]' by Venuska1117 at commit 92fa8dcbdb
#9034: 'lurker rework, Pounce changes, invis decreased on pounce/damage' by private-tristan at commit 1d19e5a4bb
#9040: 'New In_hands and On_mobs (IDs, Backpacks, Belts, Swords and Knives)' by LC4492 at commit 2c99170d79
#9144: 'disables cade building after alamo smacks into almayer (HIJACK)' by psyendrocronologicalwarfare at commit 75f04f9f8f
#7023: 'Research Rework Part Two: The Contract System.' by kiVts at commit 0839fb2e0e

## Round ID
27556

## Description of the bug
ate chem pills that make your body spawn metal foam in the same tile many times

## What's the difference with what should have happened?
the user should have died making a normal or minimal foam walls

## How do we reproduce this bug?
1. make chem pills.
2. eat them all so it mixes inside you.
3. you spawn foam

## Attached logs
```
The solution spews out a metallic shiny foam!
The solution begins to bubble.
```

## Additional details
- Author: Taromaruslay
- Admin: SmellyHippie
- Note: " i think its the normal mixture to produce metal foam i saw poly acid alluminium and dont remember the last the pill says foaming agent and aluminium"