Fix position from scaled sprite

Author: samme

src/physics/arcade/StaticBody.js

@@ -124,7 +124,7 @@ var StaticBody = new Class({
          * @type {Phaser.Math.Vector2}
          * @since 3.0.0
          */
-        this.position = new Vector2(gameObject.x - gameObject.displayOriginX, gameObject.y - gameObject.displayOriginY);
+        this.position = new Vector2(gameObject.x - (width * gameObject.originX), gameObject.y - (height * gameObject.originY));
 
         /**
          * The width of the Static Body's boundary, in pixels.