### Godot version

4.2 (c5da2e54fe50cad34b5f93fa10538978b33af88d)

### System information

Windows 11

### Issue description

Attempting to run a scene with the following script report Identifier not found error:

![image](https://github.com/godotengine/godot/assets/3036176/3a63b930-0588-499d-80a2-4f88f5f07116)

This does not happen on 4.1.1 so this is a regression.

### Steps to reproduce

Create a script derived from Control and try to get access to the mouse_entered signal.

### Minimal reproduction project

[TestBug.zip](https://github.com/godotengine/godot/files/12237764/TestBug.zip)

}
	GDScriptFunction *gd_function = codegen.generator->write_end();
	if (is_initializer) {
		p_script->initializer = gd_function;
	} else if (is_implicit_initializer) {
		p_script->implicit_initializer = gd_function;
	} else if (is_implicit_ready) {
		p_script->implicit_ready = gd_function;
	}
	if (p_func) {
		
		if (p_func->body->has_return) {
			gd_function->return_type = _gdtype_from_datatype(p_func->get_datatype(), p_script);
		} else {
			gd_function->return_type = GDScriptDataType();
			gd_function->return_type.has_type = true;
			gd_function->return_type.kind = GDScriptDataType::BUILTIN;
			gd_function->return_type.builtin_type = Variant::NIL;
		}
#ifdef TOOLS_ENABLED
		gd_function->default_arg_values = p_func->default_arg_values;
#endif
	}
	if (!is_implicit_initializer && !is_implicit_ready && !p_for_lambda) {
		p_script->member_functions[func_name] = gd_function;
	}
	memdelete(codegen.generator);
	return gd_function;
}
GDScriptFunction *GDScriptCompiler::_make_static_initializer(Error &r_error, GDScript *p_script, const GDScriptParser::ClassNode *p_class) {