added create_datapack, check_hidden_dimensions and world_dimensions in system info.

src/main/java/carpet/script/value/MapValue.java

@@ -7,6 +7,7 @@ import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.Tag;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
@@ -16,7 +17,7 @@ import java.util.stream.Collectors;
 
 public class MapValue extends AbstractListValue implements ContainerValueInterface
 {
-    private Map<Value, Value> map;
+    private final Map<Value, Value> map;
 
     private MapValue()
     {
@@ -268,7 +269,9 @@ public class MapValue extends AbstractListValue implements ContainerValueInterfa
     public JsonElement toJson()
     {
         JsonObject jsonMap = new JsonObject();
-        map.forEach((k, v) -> jsonMap.add(k.getString(), v.toJson()));
+        List<Value> keys = new ArrayList<>(map.keySet());
+        Collections.sort(keys);
+        keys.forEach( k -> jsonMap.add(k.getString(), map.get(k).toJson()));
         return jsonMap;
     }
 }