Menu scaling fix

core/src/cz/nic/tablexia/menu/MainMenuContainer.java

@@ -45,6 +45,9 @@ public class MainMenuContainer extends Group {
         if(screenDimmer!= null) {
             screenDimmer.setSize(getWidth(), getHeight());
         }
+        if(mainMenu!=null){
+            mainMenu.setHeight(getHeight());
+        }
     }
 
     @Override