### Godot version

4.2 f5696c3

### System information

Windows 10 x64

### Issue description

![image](https://github.com/godotengine/godot/assets/2223172/7ad0e3b6-9599-4f7b-a07c-da54779e647a)


### Steps to reproduce

1. Add node
2. Attach a built-in script
3. Add child node
4. Add script to the child node
5. In some method write `get_parent().bui`

### Minimal reproduction project

N/A
GDScriptParser::DataType id_type;
	GDScriptParser::SuiteNode *suite = p_context.current_suite;
	bool is_function_parameter = false;
	bool can_be_local = true;
	switch (p_identifier->source) {
		case GDScriptParser::IdentifierNode::MEMBER_VARIABLE:
		case GDScriptParser::IdentifierNode::MEMBER_CONSTANT:
		case GDScriptParser::IdentifierNode::MEMBER_FUNCTION:
		case GDScriptParser::IdentifierNode::MEMBER_SIGNAL:
		case GDScriptParser::IdentifierNode::MEMBER_CLASS:
		case GDScriptParser::IdentifierNode::INHERITED_VARIABLE:
		case GDScriptParser::IdentifierNode::STATIC_VARIABLE:
			can_be_local = false;
			break;
		default:
			break;
	}
	if (can_be_local && suite && suite->has_local(p_identifier->name)) {
		const GDScriptParser::SuiteNode::Local &local = suite->get_local(p_identifier->name);
		id_type = local.get_datatype();
		
		switch (local.type) {
			case GDScriptParser::SuiteNode::Local::VARIABLE:
				if (local.variable->initializer) {
					last_assign_line = local.variable->initializer->end_line;
					last_assigned_expression = local.variable->initializer;
				}
				break;
			case GDScriptParser::SuiteNode::Local::CONSTANT:
				if (local.constant->initializer) {