### 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 (data.owner == p_by) {
		p_owned->push_back(this);
	}
	for (KeyValue<StringName, Node *> &K : data.children) {
		K.value->get_owned_by(p_by, p_owned);
	}
}
void Node::_set_owner_nocheck(Node *p_owner) {
	if (data.owner == p_owner) {
		return;
	}
	ERR_FAIL_COND(data.owner);
	data.owner = p_owner;
	data.owner->data.owned.push_back(this);
	data.OW = data.owner->data.owned.back();
	owner_changed_notify();
}
void Node::_release_unique_name_in_owner() {
	ERR_FAIL_NULL(data.owner); 
	StringName key = StringName(UNIQUE_NODE_PREFIX + data.name.operator String());
	Node **which = data.owner->data.owned_unique_nodes.getptr(key);
	if (which == nullptr || *which != this) {
		return; 
	}
	data.owner->data.owned_unique_nodes.erase(key);
}
void Node::_acquire_unique_name_in_owner() {