### Godot version

v4.1.rc1.official [1f9e540f1]

### System information

Windows 10

### Issue description

Attempting to reorder the children of a TabContainer results in an unintended ordering and incorrect undo states.

Also happens in v4.0.3.stable.official [5222a99f5].

https://github.com/godotengine/godot/assets/3820082/2c2458e3-88ad-46d9-8a04-f289a049984a



### Steps to reproduce

1. Add a new TabContainer
2. Add a few children to it
3. Drag and drop to erroneously reorder them
4. Attempt to undo the change

### Minimal reproduction project

N/A
continue;
		}
		Ref<Texture2D> icon = EditorNode::get_singleton()->get_object_icon(obj);
		if (menu->get_item_count() == 0) {
			menu->add_submenu_item(TTR("Sub-Resources"), "Sub-Resources");
		}
		menu_subresources->add_icon_item(icon, E.name.capitalize(), EDIT_SUBRESOURCE_BASE + subresources.size());
		menu_subresources->set_item_indent(-1, p_depth);
		subresources.push_back(obj->get_instance_id());
		_add_children_to_popup(obj, p_depth + 1);
	}
}
void SceneTreeDock::_tree_rmb(const Vector2 &p_menu_pos) {
	if (!EditorNode::get_singleton()->get_edited_scene()) {
		menu->clear();
		if (profile_allow_editing) {
			menu->add_icon_shortcut(get_theme_icon(SNAME("Add"), SNAME("EditorIcons")), ED_GET_SHORTCUT("scene_tree/add_child_node"), TOOL_NEW);
			menu->add_icon_shortcut(get_theme_icon(SNAME("Instance"), SNAME("EditorIcons")), ED_GET_SHORTCUT("scene_tree/instantiate_scene"), TOOL_INSTANTIATE);
		}
		menu->reset_size();
		menu->set_position(get_screen_position() + p_menu_pos);
		menu->popup();
		return;
	}
	List<Node *> selection = editor_selection->get_selected_node_list();
	List<Node *> full_selection = editor_selection->get_full_selected_node_list(); 
	if (selection.size() == 0) {
		return;
	}
	menu->clear();