### 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 (base_type.has_container_element_type()) {
							result_type = base_type.get_container_element_type();
							result_type.type_source = base_type.type_source;
						} else {
							result_type.kind = GDScriptParser::DataType::VARIANT;
							result_type.type_source = GDScriptParser::DataType::UNDETECTED;
						}
						break;
					
					case Variant::VARIANT_MAX:
						break;
				}
			}
		}
	}
	p_subscript->set_datatype(result_type);
}
void GDScriptAnalyzer::reduce_ternary_op(GDScriptParser::TernaryOpNode *p_ternary_op, bool p_is_root) {
	reduce_expression(p_ternary_op->condition);
	reduce_expression(p_ternary_op->true_expr, p_is_root);
	reduce_expression(p_ternary_op->false_expr, p_is_root);
	GDScriptParser::DataType result;
	if (p_ternary_op->condition && p_ternary_op->condition->is_constant && p_ternary_op->true_expr->is_constant && p_ternary_op->false_expr && p_ternary_op->false_expr->is_constant) {
		p_ternary_op->is_constant = true;
		if (p_ternary_op->condition->reduced_value.booleanize()) {
			p_ternary_op->reduced_value = p_ternary_op->true_expr->reduced_value;
		} else {
			p_ternary_op->reduced_value = p_ternary_op->false_expr->reduced_value;
		}
	}