Fixed warning texture not disappearing when deleting object out of bed

lib/Slic3r/GUI/Plater/3D.pm

@@ -231,6 +231,9 @@ sub reload_scene {
             Slic3r::GUI::_3DScene::reset_warning_texture();
             $self->on_enable_action_buttons->(1) if ($self->on_enable_action_buttons);
         }
+    } else {
+        $self->set_warning_enabled(0);
+        Slic3r::GUI::_3DScene::reset_warning_texture();
     }
 }