### Godot version

4.0 Beta10

### System information

Windows 10, Vulkan, GTX1060

### Issue description

`PropertyTweener`'s methods' return value are not discarded and effect the unary operator at next line.

In Editor:
![in_editor](https://user-images.githubusercontent.com/61624558/210715100-04bdf283-7954-4be3-94ca-338987b24c5b.png)


In cpp:
![in_cpp](https://user-images.githubusercontent.com/61624558/210715127-519f6d54-fc15-468f-9aca-ba7d387a5a7b.png)


### Steps to reproduce

Just run the Minimal reproduction project.

### Minimal reproduction project

[Bug Report.zip](https://github.com/godotengine/godot/files/10349829/Bug.Report.zip)

push_error(R"*(Cannot use shorthand "get_node()" notation ("$") on a class that isn't a node.)*", p_get_node);
	}
	mark_lambda_use_self();
	p_get_node->set_datatype(result);
}
GDScriptParser::DataType GDScriptAnalyzer::make_global_class_meta_type(const StringName &p_class_name, const GDScriptParser::Node *p_source) {
	GDScriptParser::DataType type;
	String path = ScriptServer::get_global_class_path(p_class_name);
	String ext = path.get_extension();
	if (ext == GDScriptLanguage::get_singleton()->get_extension()) {
		Ref<GDScriptParserRef> ref = get_parser_for(path);
		if (ref.is_null()) {
			push_error(vformat(R"(Could not find script for class "%s".)", p_class_name), p_source);
			type.type_source = GDScriptParser::DataType::UNDETECTED;
			type.kind = GDScriptParser::DataType::VARIANT;
			return type;
		}
		Error err = ref->raise_status(GDScriptParserRef::INHERITANCE_SOLVED);
		if (err) {
			push_error(vformat(R"(Could not resolve class "%s", because of a parser error.)", p_class_name), p_source);
			type.type_source = GDScriptParser::DataType::UNDETECTED;
			type.kind = GDScriptParser::DataType::VARIANT;
			return type;
		}
		return ref->get_parser()->head->get_datatype();
	} else {
		type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
		type.kind = GDScriptParser::DataType::SCRIPT;
		type.builtin_type = Variant::OBJECT;
		type.script_type = ResourceLoader::load(path, "Script");