Fixed script banning terraining units for AI players.

try to fix wonder terrain validation expansion to mountain tiles

check init trigger sql

Wonders demand adjacency to mountain or on hills could be built on mountain plots now.

1. Fixed the issue of offset errors when selecting plots for area flattening.
2. Fixed the bug where craters appeared when leveling terrain.
3. All wonders that need to be built on hills or near mountains can now be constructed on the corresponding terrain mountains.
4. Added a frequency tuning option for the resource discovery mechanism in the game options menu, allowing selection from five levels from 'None' to 'High'.
5. Added an 'AI trainable land leveling units' option in the game options menu; unchecking it prevents the AI from training land leveling units.
6. Reduced the purchase cost of Yú Gōng and Jīng Wèi and increased their base uses by 1.
7. Fixed multiple bugs that allowed the Tian Kun to be purchased for 0 in several ports.