### Godot version

4.0-stable_mono_win64

### System information

Windows 11 22H2

### Issue description

> 
![Script](https://user-images.githubusercontent.com/43518523/224719220-9ab4a56c-2e9c-4c1b-bebe-d62eb23e372b.png)
![Bug](https://user-images.githubusercontent.com/43518523/224719256-34436394-6d89-4a2e-a588-f9f11ae06ea1.png)
Expected: The parameter type of OnChildEnteredTree (underlined) in the dialog is Node, not Object.

### Steps to reproduce

1. Write a public (signal listener) C# function with a Node parameter.
2. Build .NET project.
3. Try to connect some suitable signal (e.g. "child_entered_tree") to that function, and it won't appear in the Pick dialog if `Compatible Methods Only` is on.

### Minimal reproduction project

[SignalParamBug.zip](https://github.com/godotengine/godot/files/10958019/SignalParamBug.zip)

String class_name = p_path.get_file().get_basename();
	List<String> keywords;
	get_reserved_words(&keywords);
	if (keywords.find(class_name)) {
		return RTR("Class name can't be a reserved keyword");
	}
	if (!TS->is_valid_identifier(class_name)) {
		return RTR("Class name must be a valid identifier");
	}
	return "";
}
Script *CSharpLanguage::create_script() const {
	return memnew(CSharpScript);
}
bool CSharpLanguage::has_named_classes() const {
	return false;
}
bool CSharpLanguage::supports_builtin_mode() const {
	return false;
}
#ifdef TOOLS_ENABLED
struct VariantCsName {
	Variant::Type variant_type;
	const String cs_type;
};
static String variant_type_to_managed_name(const String &p_var_type_name) {