### 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
BIND_CONSTANT(NOTIFICATION_NODE_RECACHE_REQUESTED);
	BIND_CONSTANT(NOTIFICATION_EDITOR_PRE_SAVE);
	BIND_CONSTANT(NOTIFICATION_EDITOR_POST_SAVE);
	BIND_CONSTANT(NOTIFICATION_WM_MOUSE_ENTER);
	BIND_CONSTANT(NOTIFICATION_WM_MOUSE_EXIT);
	BIND_CONSTANT(NOTIFICATION_WM_WINDOW_FOCUS_IN);
	BIND_CONSTANT(NOTIFICATION_WM_WINDOW_FOCUS_OUT);
	BIND_CONSTANT(NOTIFICATION_WM_CLOSE_REQUEST);
	BIND_CONSTANT(NOTIFICATION_WM_GO_BACK_REQUEST);
	BIND_CONSTANT(NOTIFICATION_WM_SIZE_CHANGED);
	BIND_CONSTANT(NOTIFICATION_WM_DPI_CHANGE);
	BIND_CONSTANT(NOTIFICATION_VP_MOUSE_ENTER);
	BIND_CONSTANT(NOTIFICATION_VP_MOUSE_EXIT);
	BIND_CONSTANT(NOTIFICATION_OS_MEMORY_WARNING);
	BIND_CONSTANT(NOTIFICATION_TRANSLATION_CHANGED);
	BIND_CONSTANT(NOTIFICATION_WM_ABOUT);
	BIND_CONSTANT(NOTIFICATION_CRASH);
	BIND_CONSTANT(NOTIFICATION_OS_IME_UPDATE);
	BIND_CONSTANT(NOTIFICATION_APPLICATION_RESUMED);
	BIND_CONSTANT(NOTIFICATION_APPLICATION_PAUSED);
	BIND_CONSTANT(NOTIFICATION_APPLICATION_FOCUS_IN);
	BIND_CONSTANT(NOTIFICATION_APPLICATION_FOCUS_OUT);
	BIND_CONSTANT(NOTIFICATION_TEXT_SERVER_CHANGED);
	BIND_ENUM_CONSTANT(PROCESS_MODE_INHERIT);
	BIND_ENUM_CONSTANT(PROCESS_MODE_PAUSABLE);
	BIND_ENUM_CONSTANT(PROCESS_MODE_WHEN_PAUSED);
	BIND_ENUM_CONSTANT(PROCESS_MODE_ALWAYS);
	BIND_ENUM_CONSTANT(PROCESS_MODE_DISABLED);
	BIND_ENUM_CONSTANT(PROCESS_THREAD_GROUP_INHERIT);
	BIND_ENUM_CONSTANT(PROCESS_THREAD_GROUP_MAIN_THREAD);