Bloop 415b86aefa Fixes damp rag runtime (#93192) ...

## About The Pull Request

<img width="564" height="75" alt="image"
src="https://github.com/user-attachments/assets/539de6b9-4c4e-40cd-9ebf-d891db25ede2"
/>

Seems to be caused by add_blood_dna() being passed an empty list (which
happens by default with rags).

<details><summary> see here </summary>

<img width="591" height="518" alt="image"
src="https://github.com/user-attachments/assets/9c1e6863-8707-4768-87ac-a2e0874fd34d"
/>

`all_blood_dna` is not null but an empty list to start, so we need our
proc to be able to handle such cases

</details>

So anytime you clean something that doesn't have blood dna you will get
this runtime.

## Why It's Good For The Game

If someone is cleaning these really can build up. Less runtime log
pollution so we notice important issues.

## Changelog

N/A

2025-09-30 22:28:07 +02:00

..

chemistry

Refactor reagent container + all subtypes to interaction chain 2 electric boogaloo (#92763)

2025-09-27 18:26:45 +00:00

reagent_containers

Fixes damp rag runtime (#93192)

2025-09-30 22:28:07 +02:00

withdrawal

The Inversenning : Narcotics + Other Reagents (Part 1) (#91430)

2025-06-16 23:36:32 +00:00

chem_splash.dm

…

reagent_containers.dm

Refactor reagent container + all subtypes to interaction chain 2 electric boogaloo (#92763)

2025-09-27 18:26:45 +00:00

reagent_dispenser.dm

Add cooking oil, nutraslop, and beer keg to cargo supply packs (#93083)

2025-09-23 21:42:22 +02:00