Rearrange lines

Author: dmarcos

src/core/a-entity.js

@@ -71,9 +71,9 @@ class AEntity extends ANode {
   }
 
   doConnectedCallback () {
-    var assetsEl;  // Asset management system element.
-    var sceneEl = this.sceneEl;
     var self = this;  // Component.
+    var assetsEl;  // Asset management system element.
+    var sceneEl;
 
     // ANode method.
     super.connectedCallback();