stray pixels on light PPO armor onmob

### Testmerges

#10999: 'Fix of various plane related issues' by Blundir at commit f85a7153c4 #11075: 'Ticket Panel (Adminhelps & Mentorhelps)' by GeneriedJenelle at commit 4ad8d0cf87 #11902: 'implement pii scrubbing for sentry' by hry-gh at commit 759efb7bd1 #11724: 'Point Blank Refactor [EXPERIMENTAL]' by TrollerNoob at commit e1277b8075 #11170: 'Yautja Survivor' by realforest2001 at commit 83a03ddd01 #10925: 'Cape River Mining Colony - Ground Map' by Steelpoint at commit 24b927ce86 #10376: 'CIA Overhaul' by realforest2001 at commit 6e22ed76bc #12001: 'expands WY sec presets' by realforest2001 at commit fe08c988eb

### Round ID

33646

### Description of the bug

stray pixels on the left facing onmob state of `/obj/item/clothing/suit/storage/marine/veteran/pmc/light/corporate/ppo`

not wearing

wearing

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

n/a

### How do we reproduce this bug?

n/a

### Issue Bingo

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