WIP: make scroll labels not change width when setting a new value

src/gui/widgets/scroll_label.cpp

@@ -57,7 +57,8 @@ void tscroll_label::set_label(const t_string& label)
 				= find_widget<tlabel>(content_grid(), "_label", false, true);
 		widget->set_label(label);
 
-		content_resize_request();
+		tpoint best_size = content_grid()->recalculate_best_size();
+		content_resize_request(0, content_visible_area().h - best_size.y);
 	}
 }