Patch Notes: Town ground

Town ground

• The ground at the edge of a town in the Iliac Bay has fewer steep slopes now.
• Next to a high hill, the ground at the edge of a town does not go down into a pit.

What's Changed

• AUDIT FB1028, the rest: the town ease keeps its land's order, the seam from the stood samples (GROUND_LAW 4, relay world279) by @Lattymoy in #1381

Full Changelog: app-v0.1.12989...app-v0.1.12999