### Tested versions

- Reproducible in: 4.2.1 Stable
- Testing working functionality in: 4.2 Stable and 4.1 Stable

### System information

Windows 11 - Godot v4.2.1-stable - Vulkan (Forward+)

### Issue description

I have a timer as shown in the attached image. When I tried to drag the timer to the script and use the dot notation to autocomplete the in-built functions of the Timer class, I didn't get suggestions.

While in v4.1 opening the same project gave intellisense.
![image](https://github.com/godotengine/godot/assets/29101013/5e5088d9-8e61-4d4b-a5b4-8deb37cd915b)


### Steps to reproduce

1. Create a Timer
2. Drag and drop in the gdscript editor.
3. Try to invoke the start method.

### Minimal reproduction project (MRP)

[Test DnD.zip](https://github.com/godotengine/godot/files/13658039/Test.DnD.zip)

}
				} break;
				case GDScriptParser::Node::SUBSCRIPT: {
					const GDScriptParser::SubscriptNode *sub = static_cast<const GDScriptParser::SubscriptNode *>(par->initializer);
					if (sub->is_constant) {
						if (sub->datatype.kind == GDScriptParser::DataType::ENUM) {
							def_val = sub->get_datatype().to_string();
						} else if (sub->reduced) {
							const Variant::Type vt = sub->reduced_value.get_type();
							if (vt == Variant::Type::NIL || vt == Variant::Type::FLOAT || vt == Variant::Type::INT || vt == Variant::Type::STRING || vt == Variant::Type::STRING_NAME || vt == Variant::Type::BOOL || vt == Variant::Type::NODE_PATH) {
								def_val = sub->reduced_value.operator String();
							} else {
								def_val = sub->get_datatype().to_string() + sub->reduced_value.operator String();
							}
						}
					}
				} break;
				default:
					break;
			}
			arghint += " = " + def_val;
		}
		if (i == p_arg_idx) {
			arghint += String::chr(0xFFFF);
		}
	}
	arghint += ")";
	return arghint;
}
static void _get_directory_contents(EditorFileSystemDirectory *p_dir, HashMap<String, ScriptLanguage::CodeCompletionOption> &r_list) {