### Godot version

4.0.2

### System information

Ubuntu 22.04.1 LTS

### Issue description

So far I've found these ones:

![Screenshot from 2023-05-10 17-56-42](https://github.com/godotengine/godot/assets/85438892/b161b14a-cb7d-46fe-8398-816bf354a929)
![Screenshot from 2023-05-10 18-01-02](https://github.com/godotengine/godot/assets/85438892/b0fefcfb-4246-4ebb-ae7b-dd798d7a1d63)

But there are likely more like them. They are invalid, at least in the context I encountered them here (at the beginning of a regular line of script)

### Steps to reproduce

Type `Anchor` in the code editor.

### Minimal reproduction project

N/A
r_type = _type_from_variant(scr);
				r_type.type.is_meta_type = true;
				return true;
			}
		}
		return false;
	}
	
	if (GDScriptLanguage::get_singleton()->get_named_globals_map().has(p_identifier->name)) {
		r_type = _type_from_variant(GDScriptLanguage::get_singleton()->get_named_globals_map()[p_identifier->name]);
		return true;
	}
	
	if (ClassDB::class_exists(p_identifier->name) && ClassDB::is_class_exposed(p_identifier->name)) {
		r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
		r_type.type.kind = GDScriptParser::DataType::NATIVE;
		r_type.type.builtin_type = Variant::OBJECT;
		r_type.type.native_type = p_identifier->name;
		r_type.type.is_constant = true;
		if (Engine::get_singleton()->has_singleton(p_identifier->name)) {
			r_type.type.is_meta_type = false;
			r_type.value = Engine::get_singleton()->get_singleton_object(p_identifier->name);
		} else {
			r_type.type.is_meta_type = true;
			r_type.value = Variant();
		}
	}
	return false;
}
static bool _guess_identifier_type_from_base(GDScriptParser::CompletionContext &p_context, const GDScriptCompletionIdentifier &p_base, const StringName &p_identifier, GDScriptCompletionIdentifier &r_type) {