fix(world): don't draw unused objectlayers

CHANGELOG.md

@@ -67,6 +67,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - **camera:** Fix camera's drawing in other resolution mode
 
+- **world:** Don't draw unused sti objectlayer
+
 ### Removed
 
 - **actor:** Remove all function related to XGravity

gamecore/modules/world/baseworld.lua

@@ -450,7 +450,7 @@ end
 function BaseWorld:drawMap(id)
   if self.haveMap then
     for _, layer in ipairs(self.map.layers) do
-    if layer.visible and layer.opacity > 0 then
+    if layer.visible and layer.opacity > 0 and (layer.type == "tilelayer") then
       self.map:drawLayer(layer)
     end
   end