### 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

‮
break;
		case AssignmentNode::OP_MODULO:
			push_text("%");
			break;
		case AssignmentNode::OP_POWER:
			push_text("**");
			break;
		case AssignmentNode::OP_BIT_SHIFT_LEFT:
			push_text("<<");
			break;
		case AssignmentNode::OP_BIT_SHIFT_RIGHT:
			push_text(">>");
			break;
		case AssignmentNode::OP_BIT_AND:
			push_text("&");
			break;
		case AssignmentNode::OP_BIT_OR:
			push_text("|");
			break;
		case AssignmentNode::OP_BIT_XOR:
			push_text("^");
			break;
		case AssignmentNode::OP_NONE:
			break;
	}
	push_text("= ");
	print_expression(p_assignment->assigned_value);
	push_line();
}
void GDScriptParser::TreePrinter::print_await(AwaitNode *p_await) {