### Godot version

ef025711a

### System information

ArchLinux x11

### Issue description

Accessing a scene unique node like this:
```gdscript
class_name Class extends Node
static func get_label() -> Label:
	return %label
```
and then accessing that class later:
```gdscript
func _ready() -> void:
	Main.get_label().text = "hello world"
```
causes a strange error when in the editor, and a normal error when run directly.
![image](https://user-images.githubusercontent.com/70787919/229785642-6aad4e31-6bd9-4eb5-bee4-7445b48a99bb.png)
```c++
ERROR: Node not found: "%label" (relative to "/root/main").
   at: get_node (scene/main/node.cpp:1364)
```
Instead of returning null.
As opposed to when using `get_node`:
```

SCRIPT ERROR: Cannot call method 'get_node' on a null value.
          at: get_label (res://main.gd:5)
SCRIPT ERROR: Invalid set index 'text' (on base: 'Nil') with value of type 'String'.
          at: _ready (res://control.gd:4)
```

### Steps to reproduce

Run mrp or follow outlined steps

### Minimal reproduction project

[bug.zip](https://github.com/godotengine/godot/files/11148287/bug.zip)

}
			}
		}
		for (int index = extends_index; index < p_class->extends.size(); index++) {
			GDScriptParser::IdentifierNode *id = p_class->extends[index];
			if (base.kind != GDScriptParser::DataType::CLASS) {
				push_error(vformat(R"(Cannot get nested types for extension from non-GDScript type "%s".)", base.to_string()), id);
				return ERR_PARSE_ERROR;
			}
			reduce_identifier_from_base(id, &base);
			GDScriptParser::DataType id_type = id->get_datatype();
			if (!id_type.is_set()) {
				push_error(vformat(R"(Could not find nested type "%s".)", id->name), id);
				return ERR_PARSE_ERROR;
			} else if (id_type.kind != GDScriptParser::DataType::SCRIPT && id_type.kind != GDScriptParser::DataType::CLASS) {
				push_error(vformat(R"(Identifier "%s" is not a preloaded script or class.)", id->name), id);
				return ERR_PARSE_ERROR;
			}
			base = id_type;
		}
		result = base;
	}
	if (!result.is_set() || result.has_no_type()) {
		
		push_error(vformat(R"(Could not resolve inheritance for class "%s".)", p_class->identifier == nullptr ? "<main>" : p_class->identifier->name), p_class);
		return ERR_PARSE_ERROR;
	}
	
	const GDScriptParser::ClassNode *base_class = result.class_type;
	while (base_class) {