### 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

‮
case GDScriptTokenizer::Token::EQUAL_EQUAL:
			operation->operation = BinaryOpNode::OP_COMP_EQUAL;
			operation->variant_op = Variant::OP_EQUAL;
			break;
		case GDScriptTokenizer::Token::BANG_EQUAL:
			operation->operation = BinaryOpNode::OP_COMP_NOT_EQUAL;
			operation->variant_op = Variant::OP_NOT_EQUAL;
			break;
		case GDScriptTokenizer::Token::LESS:
			operation->operation = BinaryOpNode::OP_COMP_LESS;
			operation->variant_op = Variant::OP_LESS;
			break;
		case GDScriptTokenizer::Token::LESS_EQUAL:
			operation->operation = BinaryOpNode::OP_COMP_LESS_EQUAL;
			operation->variant_op = Variant::OP_LESS_EQUAL;
			break;
		case GDScriptTokenizer::Token::GREATER:
			operation->operation = BinaryOpNode::OP_COMP_GREATER;
			operation->variant_op = Variant::OP_GREATER;
			break;
		case GDScriptTokenizer::Token::GREATER_EQUAL:
			operation->operation = BinaryOpNode::OP_COMP_GREATER_EQUAL;
			operation->variant_op = Variant::OP_GREATER_EQUAL;
			break;
		default:
			return nullptr; 
	}
	return operation;
}
GDScriptParser::ExpressionNode *GDScriptParser::parse_ternary_operator(ExpressionNode *p_previous_operand, bool p_can_assign) {