### Godot version

4.0 beta (e1648b3327431a09cc9498663fac483275eb711d)

### System information

Mageia 9, Linux

### Issue description

When exporting a project with no attached script (or with only a builtin GDScript), the following error is printed:
```
ERROR: Can't open file from path 'res://.godot/global_script_class_cache.cfg'.
   at: get_file_as_bytes (core/io/file_access.cpp:699)
```

And while the export succeeds, when running the project, it prints:
```
ERROR: Couldn't find the given section "" and key "list", and no default was given.
   at: get_value (core/io/config_file.cpp:86)
```

We should ensure that this file is always created, regardless of whether there are scripts to parse for class names or not. It should always contain at least `list=[]`.

### Steps to reproduce

- Create new project
- Create main scene with no script
- Export

### Minimal reproduction project

[NewProj.zip](https://github.com/godotengine/godot/files/10547125/NewProj.zip)
set(p_setting, p_value);
}
Variant ProjectSettings::get_setting(const String &p_setting, const Variant &p_default_value) const {
	if (has_setting(p_setting)) {
		return get(p_setting);
	} else {
		return p_default_value;
	}
}
Array ProjectSettings::get_global_class_list() {
	Array script_classes;
	Ref<ConfigFile> cf;
	cf.instantiate();
	if (cf->load(get_global_class_list_path()) == OK) {
		script_classes = cf->get_value("", "list");
	} else {
#ifndef TOOLS_ENABLED
		
		ERR_PRINT("Could not load global script cache.");
#endif
	}
	return script_classes;
}
String ProjectSettings::get_global_class_list_path() const {