### 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

‮
for (const KeyValue<StringName, int64_t> &E : p_type.enum_values) {
		if (E.value == p_value) {
			return true;
		}
	}
	return false;
}
#endif
void GDScriptAnalyzer::update_const_expression_builtin_type(GDScriptParser::ExpressionNode *p_expression, const GDScriptParser::DataType &p_type, const char *p_usage, bool p_is_cast) {
	if (p_expression->get_datatype() == p_type) {
		return;
	}
	if (p_type.kind != GDScriptParser::DataType::BUILTIN && p_type.kind != GDScriptParser::DataType::ENUM) {
		return;
	}
	GDScriptParser::DataType expression_type = p_expression->get_datatype();
	bool is_enum_cast = p_is_cast && p_type.kind == GDScriptParser::DataType::ENUM && p_type.is_meta_type == false && expression_type.builtin_type == Variant::INT;
	if (!is_enum_cast && !is_type_compatible(p_type, expression_type, true, p_expression)) {
		push_error(vformat(R"(Cannot %s a value of type "%s" as "%s".)", p_usage, expression_type.to_string(), p_type.to_string()), p_expression);
		return;
	}
	GDScriptParser::DataType value_type = type_from_variant(p_expression->reduced_value, p_expression);