### 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

‮
return check(GDScriptTokenizer::Token::TK_EOF);
}
void GDScriptParser::synchronize() {
	panic_mode = false;
	while (!is_at_end()) {
		if (previous.type == GDScriptTokenizer::Token::NEWLINE || previous.type == GDScriptTokenizer::Token::SEMICOLON) {
			return;
		}
		switch (current.type) {
			case GDScriptTokenizer::Token::CLASS:
			case GDScriptTokenizer::Token::FUNC:
			case GDScriptTokenizer::Token::STATIC:
			case GDScriptTokenizer::Token::VAR:
			case GDScriptTokenizer::Token::CONST:
			case GDScriptTokenizer::Token::SIGNAL:
			
			case GDScriptTokenizer::Token::FOR:
			case GDScriptTokenizer::Token::WHILE:
			case GDScriptTokenizer::Token::MATCH:
			case GDScriptTokenizer::Token::RETURN:
			case GDScriptTokenizer::Token::ANNOTATION:
				return;
			default:
				
				break;
		}
		advance();
	}
}
void GDScriptParser::push_multiline(bool p_state) {