fixed listview selection issue

src/de/bricked/ui/LevelPackSelectController.java

@@ -115,6 +115,7 @@ public class LevelPackSelectController
 				LevelPack selectedPack = listView.getSelectionModel().getSelectedItem();			
 				if(selectedPack != null)
 				{
+					listView.getSelectionModel().clearSelection();
 					game.setLevelPack(selectedPack);
 
 					try

src/de/bricked/ui/LevelSelectController.java

@@ -117,6 +117,7 @@ public class LevelSelectController
 				Level selectedLevel = listView.getSelectionModel().getSelectedItem();				
 				if(selectedLevel != null)
 				{
+					listView.getSelectionModel().clearSelection();
 					game.setLevel(selectedLevel);
 
 					try