### 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

‮
print_expression(p_match_pattern->expression);
			break;
		case PatternNode::PT_ARRAY:
			push_text("[ ");
			for (int i = 0; i < p_match_pattern->array.size(); i++) {
				if (i > 0) {
					push_text(" , ");
				}
				print_match_pattern(p_match_pattern->array[i]);
			}
			push_text(" ]");
			break;
		case PatternNode::PT_DICTIONARY:
			push_text("{ ");
			for (int i = 0; i < p_match_pattern->dictionary.size(); i++) {
				if (i > 0) {
					push_text(" , ");
				}
				if (p_match_pattern->dictionary[i].key != nullptr) {
					
					print_expression(p_match_pattern->dictionary[i].key);
					push_text(" : ");
				}
				print_match_pattern(p_match_pattern->dictionary[i].value_pattern);
			}
			push_text(" }");
			break;
	}
}
void GDScriptParser::TreePrinter::print_parameter(ParameterNode *p_parameter) {