### Godot version

d01ac9c73

### System information

ArchLinux x11

### Issue description

Signal with unbinds[^1] fails to emit in exported project.

[^1]: ![image](https://user-images.githubusercontent.com/70787919/215381688-1df57b26-2ed5-4473-a9dd-54d9c2228567.png)


### Steps to reproduce

- open mrp
- run in editor
- `it worked!` is printed
- export project
- run executable
-  
```c++
ERROR: Error calling from signal 'sig' to callable: 'Node::_on_sig': Method expected 0 arguments, but called with 1.
   at: emit_signalp (core/object/object.cpp:1058)
```

### Minimal reproduction project

[bug.zip](https://github.com/godotengine/godot/files/10531944/bug.zip)

int parent_node = NO_PARENT_SAVED;
	if (save_node) {
		
		node_map[p_node] = idx;
		
		if (p_parent_idx == NO_PARENT_SAVED) {
			int sidx;
			if (nodepath_map.has(p_node->get_parent())) {
				sidx = nodepath_map[p_node->get_parent()];
			} else {
				sidx = nodepath_map.size();
				nodepath_map[p_node->get_parent()] = sidx;
			}
			nd.parent = FLAG_ID_IS_PATH | sidx;
		} else {
			nd.parent = p_parent_idx;
		}
		parent_node = idx;
		nodes.push_back(nd);
	}
	for (int i = 0; i < p_node->get_child_count(); i++) {
		Node *c = p_node->get_child(i);
		Error err = _parse_node(p_owner, c, parent_node, name_map, variant_map, node_map, nodepath_map);
		if (err) {
			return err;
		}
	}
	return OK;
}
Error SceneState::_parse_connections(Node *p_owner, Node *p_node, HashMap<StringName, int> &name_map, HashMap<Variant, int, VariantHasher, VariantComparator> &variant_map, HashMap<Node *, int> &node_map, HashMap<Node *, int> &nodepath_map) {