### 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
ERR_FAIL_COND(p_recursion_depth > COMPLETION_RECURSION_LIMIT);
	GDScriptParser::DataType base_type = p_base.type;
	if (base_type.is_meta_type && base_type.kind != GDScriptParser::DataType::BUILTIN && base_type.kind != GDScriptParser::DataType::ENUM) {
		ScriptLanguage::CodeCompletionOption option("new", ScriptLanguage::CODE_COMPLETION_KIND_FUNCTION, ScriptLanguage::LOCATION_LOCAL);
		option.insert_text += "(";
		r_result.insert(option.display, option);
	}
	while (!base_type.has_no_type()) {
		switch (base_type.kind) {
			case GDScriptParser::DataType::CLASS: {
				_find_identifiers_in_class(base_type.class_type, p_only_functions, base_type.is_meta_type, false, r_result, p_recursion_depth);
				
				base_type = GDScriptParser::DataType();
			} break;
			case GDScriptParser::DataType::SCRIPT: {
				Ref<Script> scr = base_type.script_type;
				if (scr.is_valid()) {
					if (!p_only_functions) {
						if (!base_type.is_meta_type) {
							List<PropertyInfo> members;
							scr->get_script_property_list(&members);
							for (const PropertyInfo &E : members) {
								int location = p_recursion_depth + _get_property_location(scr->get_class_name(), E.name);
								ScriptLanguage::CodeCompletionOption option(E.name, ScriptLanguage::CODE_COMPLETION_KIND_MEMBER, location);
								r_result.insert(option.display, option);