### 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 (pending_indent) {
		printed += indent;
		pending_indent = false;
	}
	printed += p_text;
}
void GDScriptParser::TreePrinter::print_annotation(const AnnotationNode *p_annotation) {
	push_text(p_annotation->name);
	push_text(" (");
	for (int i = 0; i < p_annotation->arguments.size(); i++) {
		if (i > 0) {
			push_text(" , ");
		}
		print_expression(p_annotation->arguments[i]);
	}
	push_line(")");
}
void GDScriptParser::TreePrinter::print_array(ArrayNode *p_array) {
	push_text("[ ");
	for (int i = 0; i < p_array->elements.size(); i++) {
		if (i > 0) {
			push_text(" , ");
		}
		print_expression(p_array->elements[i]);
	}
	push_text(" ]");
}
void GDScriptParser::TreePrinter::print_assert(AssertNode *p_assert) {