### 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)

ERR_FAIL_COND(!p_dictionary.has("names"));
	ERR_FAIL_COND(!p_dictionary.has("variants"));
	ERR_FAIL_COND(!p_dictionary.has("node_count"));
	ERR_FAIL_COND(!p_dictionary.has("nodes"));
	ERR_FAIL_COND(!p_dictionary.has("conn_count"));
	ERR_FAIL_COND(!p_dictionary.has("conns"));
	
	int version = 1;
	if (p_dictionary.has("version")) {
		version = p_dictionary["version"];
	}
	ERR_FAIL_COND_MSG(version > PACKED_SCENE_VERSION, "Save format version too new.");
	const int node_count = p_dictionary["node_count"];
	const Vector<int> snodes = p_dictionary["nodes"];
	ERR_FAIL_COND(snodes.size() < node_count);
	const int conn_count = p_dictionary["conn_count"];
	const Vector<int> sconns = p_dictionary["conns"];
	ERR_FAIL_COND(sconns.size() < conn_count);
	Vector<String> snames = p_dictionary["names"];
	if (snames.size()) {