MC-258859

Fixes steep surface rule condition only working on the north and east faces of slopes.

!A comparison between MC-258859 (referred to as "Fixed" in the image) and Vanilla, where a lot more Stone can be seen on Snowy Peaks and even an increase in Packed Ice for Frozen Peaks

✅ Features

• Makes cliffs prettier by decreasing the amount of Snow and Dirt in Minecraft's mountain biomes.
• Supports Terralith, where it improves 17 biomes!
• Server-side, works out of the box with no client incompatibilities!