### 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
for (const PropertyInfo &E : pinfo) {
							if (E.usage & (PROPERTY_USAGE_GROUP | PROPERTY_USAGE_CATEGORY)) {
								continue;
							}
							if (E.name.contains("/")) {
								continue;
							}
							int location = p_recursion_depth + _get_property_location(type, E.name);
							ScriptLanguage::CodeCompletionOption option(E.name, ScriptLanguage::CODE_COMPLETION_KIND_MEMBER, location);
							r_result.insert(option.display, option);
						}
						List<MethodInfo> signals;
						ClassDB::get_signal_list(type, &signals);
						for (const MethodInfo &E : signals) {
							int location = p_recursion_depth + _get_signal_location(type, StringName(E.name));
							ScriptLanguage::CodeCompletionOption option(E.name, ScriptLanguage::CODE_COMPLETION_KIND_SIGNAL, location);
							r_result.insert(option.display, option);
						}
					}
				}
				bool only_static = base_type.is_meta_type && !Engine::get_singleton()->has_singleton(type);
				List<MethodInfo> methods;
				ClassDB::get_method_list(type, &methods, false, true);
				for (const MethodInfo &E : methods) {
					if (only_static && (E.flags & METHOD_FLAG_STATIC) == 0) {
						continue;
					}
					if (E.name.begins_with("_")) {
						continue;
					}