Trapper acid mine doesnt dmg tank

### Testmerges

non, happens on main branch

### Round ID

_No response_

### Description of the bug

If trapper fires acid mines on the tank, it wont dmg any part of the tank.
Happens both with perfect shots, and if only partly.

### What's the difference with what should have happened?

Trapper should be able to at least somewhat dmg the tank. But currently it cant, at all.
Migth be a blessing in disguise, so tank isnt destroyd by the outrages range of trapper.
idunno.

### How do we reproduce this bug?

1. Select the trapper strain
2. Select the acid mine ability
3. Fire on the tank.

### Issue Bingo

- [x] Issue could be reproduced at least once
- [x] Issue happened in a recent (less than 7 days ago) round
- [x] Couldn't find an existing issue about this (https://github.com/cmss13-devs/cmss13/issues)