### 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
}
		case GDScriptParser::COMPLETION_ASSIGN:
		case GDScriptParser::COMPLETION_CALL_ARGUMENTS:
		case GDScriptParser::COMPLETION_IDENTIFIER:
		case GDScriptParser::COMPLETION_PROPERTY_METHOD: {
			GDScriptParser::DataType base_type;
			if (context.current_class) {
				if (context.type != GDScriptParser::COMPLETION_SUPER_METHOD) {
					base_type = context.current_class->get_datatype();
				} else {
					base_type = context.current_class->base_type;
				}
			} else {
				break;
			}
			if (!is_function && context.current_suite) {
				
				const GDScriptParser::SuiteNode *suite = context.current_suite;
				while (suite) {
					if (suite->has_local(p_symbol)) {
						r_result.type = ScriptLanguage::LOOKUP_RESULT_SCRIPT_LOCATION;
						r_result.location = suite->get_local(p_symbol).start_line;
						return OK;
					}
					suite = suite->parent_block;
				}
			}
			if (_lookup_symbol_from_base(base_type, p_symbol, is_function, r_result) == OK) {
				return OK;
			}