Fix issue with "stuttering" PositionLockCamera

The camera focus was updated before the entity position which resulted in the camera lacking behind by a frame.

src/de/gurkenlabs/litiengine/GameLoop.java

@@ -77,12 +77,12 @@ public void removeAction(int id) {
    */
   @Override
   protected void process() {
-    Game.world().camera().updateFocus();
     if (this.getTimeScale() > 0) {
       super.process();
       this.executeTimedActions();
     }
 
+    Game.world().camera().updateFocus();
     if (!Game.isInNoGUIMode()) {
       Game.window().getRenderComponent().render();
     }