### 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
if (current_option == TOOL_NEW) {
		Node *parent = nullptr;
		if (edited_scene) {
			
			parent = scene_tree->get_selected();
			if (!parent) {
				parent = edited_scene;
			}
		} else {
			
			parent = scene_root;
			ERR_FAIL_COND(!parent);
		}
		_do_create(parent);
	} else if (current_option == TOOL_REPLACE) {
		List<Node *> selection = editor_selection->get_selected_node_list();
		ERR_FAIL_COND(selection.size() <= 0);
		EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
		ur->create_action(TTR("Change type of node(s)"), UndoRedo::MERGE_DISABLE, selection.front()->get());
		for (Node *n : selection) {
			ERR_FAIL_COND(!n);
			Variant c = create_dialog->instantiate_selected();