corner ledge visual bug

## Testmerges
#8959: 'Speech bubble update' by Blundir at commit 42361441ef
#7703: 'Hivelord Strain: Designer [Ver. 0.7]' by Venuska1117 at commit 5353a0220e
#9034: 'lurker rework, Pounce changes, invis decreased on pounce/damage' by private-tristan at commit 0f30ef6ea6
#8963: 'Ports tacmap port from PVE' by Git-Nivrak at commit 9d6b7f68ec
#9040: 'New In_hands and On_mobs (IDs, Backpacks, Belts, Swords and Knives)' by LC4492 at commit da5820b1c6

## Round ID
27477

## Description of the bug
when walking under a tile with a ledge in the corner from a change in ledge direction my character sprite goes under it rather than above

## What's the difference with what should have happened?
character walks above it

## How do we reproduce this bug?
I noticed it in the almayer briefing room ledges where command gives speeches, should be able to walk under the corner ledges where it is and see it

## Attached logs
```
N/A
```

## Additional details
- Author: Tacoloaf
- Admin: SmellyHippie
- Note: None