### 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

‮
for (const AnnotationNode *E : p_function->annotations) {
		print_annotation(E);
	}
	push_text(p_context);
	push_text(" ");
	if (p_function->identifier) {
		print_identifier(p_function->identifier);
	} else {
		push_text("<anonymous>");
	}
	push_text("( ");
	for (int i = 0; i < p_function->parameters.size(); i++) {
		if (i > 0) {
			push_text(" , ");
		}
		print_parameter(p_function->parameters[i]);
	}
	push_line(" ) :");
	increase_indent();
	print_suite(p_function->body);
	decrease_indent();
}
void GDScriptParser::TreePrinter::print_get_node(GetNodeNode *p_get_node) {