[GFX][1.1.77] graphical inconsistency with undergrounds

[mice-stro]

graphical inconsistency with shading and shadows when sideloading

Screenshot 2023-01-26 225056.png (157.75 KiB) Viewed 680 times

Screenshot 2023-01-26 225511.png (157.37 KiB) Viewed 680 times

this only happens with the left inbound/outbound underground, and not the right, though the right has a few pixels that "sparkle" when it changes state

Screenshot 2023-01-26 225714.png (280.89 KiB) Viewed 680 times

Screenshot 2023-01-26 225715.png (281.89 KiB) Viewed 680 times