When pressing ctrl-F8 in artists debug mode only make player karts

invisible. This allows to take screenshots with AI (and if you don't
want AI, just race without AI).


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@12588 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/input/input_manager.cpp

@@ -225,8 +225,9 @@ void InputManager::handleStaticAction(int key, int value)
                     const int count = World::getWorld()->getNumKarts();
                     for (int n=0; n<count; n++)
                     {
-                        World::getWorld()->getKart(n)->getNode()
-                            ->setVisible(gui->m_enabled);
+                        if(World::getWorld()->getKart(n)->getController()->isPlayerController())
+                            World::getWorld()->getKart(n)->getNode()
+                                ->setVisible(gui->m_enabled);
                     }
                 }
                 else