Draw missions at their native height

include/AMI.h

@@ -21,8 +21,8 @@ private:
 
   std::vector<Widget*> widgets;
 
-  ImageWidget ft_logo;
-  TextWidget choose;
-  ListWidget missions_widget;
+  std::unique_ptr<ImageWidget> ft_logo;
+  std::unique_ptr<TextWidget> choose;
+  std::unique_ptr<ListWidget> missions_widget;
   std::vector<std::unique_ptr<Widget>> missions;
 };