### Godot version

v4.0.stable.official [92bee43ad]

### System information

Windows 10, 64bit

### Issue description

First, please run the reproduction project.
When I run the test scene, It report error like follow and app exited. 
![image](https://user-images.githubusercontent.com/35988767/229076194-f737bcb6-6c9b-4aa0-9bd5-3dbd36bc8d03.png)
And I don't know where was error.



### Steps to reproduce

1. Open the reproduction project.
2. Open scene 'user:\\xd\XActors\Weapon\Gun\Rifle\XRifle.tscn'
3. Assign the scene's Meshinstance's mesh with 'user:\\xd\XActors\Weapon\Gun\Rifle\XRifle01.res'
4. Run the scene
Opps, the scene exited.
![GIF](https://user-images.githubusercontent.com/35988767/229077075-4b18b9e0-933e-47f6-b6a8-0af966574884.gif)


### Minimal reproduction project

[GlbTest.zip](https://github.com/godotengine/godot/files/11120181/GlbTest.zip)

NOTE: The project that I provided was picked up from my owner project. Sorry I can't provide a minimal reproduction project because I don't know which step cause this issue. I was test like this:
Create a project, import the glb file, create meshinstance and assign mesh, but there was not error!

ERR_FAIL_INDEX_V(p_idx, files.size(), false);
	return files[p_idx]->import_valid;
}
uint64_t EditorFileSystemDirectory::get_file_modified_time(int p_idx) const {
	ERR_FAIL_INDEX_V(p_idx, files.size(), 0);
	return files[p_idx]->modified_time;
}
String EditorFileSystemDirectory::get_file_script_class_name(int p_idx) const {
	return files[p_idx]->script_class_name;
}
String EditorFileSystemDirectory::get_file_script_class_extends(int p_idx) const {
	return files[p_idx]->script_class_extends;
}
String EditorFileSystemDirectory::get_file_script_class_icon_path(int p_idx) const {
	return files[p_idx]->script_class_icon_path;
}
StringName EditorFileSystemDirectory::get_file_type(int p_idx) const {
	ERR_FAIL_INDEX_V(p_idx, files.size(), "");
	return files[p_idx]->type;
}
StringName EditorFileSystemDirectory::get_file_resource_script_class(int p_idx) const {