### 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
switch (p_notification) {
		case NOTIFICATION_PROCESS: {
			GDVIRTUAL_CALL(_process, get_process_delta_time());
		} break;
		case NOTIFICATION_PHYSICS_PROCESS: {
			GDVIRTUAL_CALL(_physics_process, get_physics_process_delta_time());
		} break;
		case NOTIFICATION_ENTER_TREE: {
			ERR_FAIL_NULL(get_viewport());
			ERR_FAIL_NULL(get_tree());
			
			if (data.process_mode == PROCESS_MODE_INHERIT) {
				if (data.parent) {
					data.process_owner = data.parent->data.process_owner;
				} else {
					ERR_PRINT("The root node can't be set to Inherit process mode, reverting to Pausable instead.");
					data.process_mode = PROCESS_MODE_PAUSABLE;
					data.process_owner = this;