### 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

‮
static constexpr const char *kind = "parameter";
	resolve_assignable(p_parameter, kind);
}
void GDScriptAnalyzer::resolve_if(GDScriptParser::IfNode *p_if) {
	reduce_expression(p_if->condition);
	resolve_suite(p_if->true_block);
	p_if->set_datatype(p_if->true_block->get_datatype());
	if (p_if->false_block != nullptr) {
		resolve_suite(p_if->false_block);
		decide_suite_type(p_if, p_if->false_block);
	}
}
void GDScriptAnalyzer::resolve_for(GDScriptParser::ForNode *p_for) {
	bool list_resolved = false;
	
	
	if (p_for->list && p_for->list->type == GDScriptParser::Node::CALL) {
		GDScriptParser::CallNode *call = static_cast<GDScriptParser::CallNode *>(p_for->list);
		GDScriptParser::Node::Type callee_type = call->get_callee_type();
		if (callee_type == GDScriptParser::Node::IDENTIFIER) {
			GDScriptParser::IdentifierNode *callee = static_cast<GDScriptParser::IdentifierNode *>(call->callee);
			if (callee->name == "range") {
				list_resolved = true;