### 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 (!can_break) {
		push_error(R"(Cannot use "break" outside of a loop.)");
	}
	BreakNode *break_node = alloc_node<BreakNode>();
	complete_extents(break_node);
	end_statement(R"("break")");
	return break_node;
}
GDScriptParser::ContinueNode *GDScriptParser::parse_continue() {