blood decals can't be cleaned

[cm13-issue-bot]

Testmerges

#11075: 'Ticket Panel (Adminhelps & Mentorhelps)' by GeneriedJenelle at commit 4ad8d0cf87
#12174: 'Yautja Armor Sets' by realforest2001 at commit 90c66798ed
#10414: 'Port: Harm Intent uses Auto-Fire instead of PB' by MistChristmas at commit d44502d495
#11161: 'Gas trap buff & neuro smoke tweaks' by Diegoflores31 at commit 92b29e6eb0
#12361: 'pride scarfs in loadout' by Detective-Google at commit 6ddcf88cb8
#12140: 'Tyrargo Rift - Various Alterations' by Steelpoint at commit 13c4e6de58
#12434: 'Attempts to fix runaway explosion recursion' by Drulikar at commit 51f684daed
#12486: 'Revert "Optimize flamer fire spread"' by hry-gh at commit a860f57e6f
#10696: '[code bounty] Sentinel rework' by cuberound at commit 429ecb2d6a
#12322: 'Fort McNeil - (Lowpop) Ground Map' by Steelpoint at commit ce3292659b
#12500: 'Test: Reduce bitfield2list maximum' by MistChristmas at commit 97b591ae3a

Round ID

34916

Description of the bug

using spray cleaner on tiles does not clear red blood decals- seems like xeno blood maybe also creates an uncleanable red blood decal under it. related to #11886

What's the difference with what should have happened?

decals should get cleaned off

How do we reproduce this bug?

n/a

Attached logs

n/a

Additional details

• Author: Detective Google
• Admin: Detective Google
• Note: None