Fixed editor crash

core/src/mindustry/editor/MapEditor.java

@@ -39,7 +39,7 @@ public class MapEditor{
 
         loading = true;
         createTiles(width, height);
-        renderer.resize(width(), height());
+        renderer.resize(width, height);
         loading = false;
     }
 

core/src/mindustry/editor/MapRenderer.java

@@ -37,6 +37,8 @@ public class MapRenderer implements Disposable{
     }
 
     public void resize(int width, int height){
+        updates.clear();
+        delayedUpdates.clear();
         if(chunks != null){
             for(int x = 0; x < chunks.length; x++){
                 for(int y = 0; y < chunks[0].length; y++){