### Godot version

3b086aa06

### System information

ArchLinux x11

### Issue description

```gdscript
extends Node

@export_group("My Properties")
@export var number = 3
@export var string = ""

@export_group("Prefixed Properties", "prefix_")
@export var prefix_number = 3
@export var prefix_string = ""

@export_group("", "")
@export var ungrouped_number = 3
```

![image](https://user-images.githubusercontent.com/70787919/214983963-528c415b-745b-47fc-9777-36ebe31a3060.png)


### Steps to reproduce

- create script
- @export_group
- go inspector

### Minimal reproduction project

‮
if (class_type->identifier != nullptr) {
				return class_type->identifier->name.operator String();
			}
			return class_type->fqcn;
		case SCRIPT: {
			if (is_meta_type) {
				return script_type->get_class_name().operator String();
			}
			String name = script_type != nullptr ? script_type->get_name() : "";
			if (!name.is_empty()) {
				return name;
			}
			name = script_path;
			if (!name.is_empty()) {
				return name;
			}
			return native_type.operator String();
		}
		case ENUM: {
			
			
			return String(native_type).get_file(); 
		}
		case RESOLVING:
		case UNRESOLVED:
			return "<unresolved type>";
	}
	ERR_FAIL_V_MSG("<unresolved type>", "Kind set outside the enum range.");
}
static Variant::Type _variant_type_to_typed_array_element_type(Variant::Type p_type) {