Raise priority of collisions LevelMixin to apply after Lithium

Lithium replaces some of the height-related methods used by WorldUtil to return fields initialized in their constructor hook. We need to apply afterward to have them return valid data.

Given the application-order sensitive nature of the issue, it only presented in-dev.

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/LevelMixin.java

@@ -39,7 +39,8 @@
 import java.util.List;
 import java.util.Optional;
 
-@Mixin(Level.class)
+// Higher priority to apply after Lithium mixin.world.inline_height.WorldMixin
+@Mixin(value = Level.class, priority = 1100)
 abstract class LevelMixin implements CollisionLevel, LevelAccessor, AutoCloseable {
 
     @Shadow