### 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
GDScriptCompletionIdentifier base;
		base.value = p_context.base;
		base.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
		base.type.kind = GDScriptParser::DataType::CLASS;
		base.type.class_type = p_context.current_class;
		base.type.is_meta_type = p_context.current_function && p_context.current_function->is_static;
		if (_guess_identifier_type_from_base(p_context, base, p_identifier->name, r_type)) {
			return true;
		}
	}
	
	if (ScriptServer::is_global_class(p_identifier->name)) {
		String script = ScriptServer::get_global_class_path(p_identifier->name);
		if (script.to_lower().ends_with(".gd")) {
			Error err = OK;
			Ref<GDScriptParserRef> parser = GDScriptCache::get_parser(script, GDScriptParserRef::INTERFACE_SOLVED, err);
			if (err == OK) {
				r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
				r_type.type.script_path = script;
				r_type.type.class_type = parser->get_parser()->get_tree();
				r_type.type.is_meta_type = true;
				r_type.type.is_constant = false;
				r_type.type.kind = GDScriptParser::DataType::CLASS;
				r_type.value = Variant();
				p_context.dependent_parsers.push_back(parser);
				return true;
			}
		} else {
			Ref<Script> scr = ResourceLoader::load(ScriptServer::get_global_class_path(p_identifier->name));
			if (scr.is_valid()) {