### 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!

if (da->current_is_dir()) {
				if (f.begins_with(".")) { 
					continue;
				}
				int idx = p_dir->find_dir_index(f);
				if (idx == -1) {
					if (_should_skip_directory(cd.path_join(f))) {
						continue;
					}
					EditorFileSystemDirectory *efd = memnew(EditorFileSystemDirectory);
					efd->parent = p_dir;
					efd->name = f;
					Ref<DirAccess> d = DirAccess::create(DirAccess::ACCESS_RESOURCES);
					d->change_dir(cd.path_join(f));
					_scan_new_dir(efd, d, p_progress.get_sub(1, 1));
					ItemAction ia;
					ia.action = ItemAction::ACTION_DIR_ADD;
					ia.dir = p_dir;
					ia.file = f;
					ia.new_dir = efd;
					scan_actions.push_back(ia);
				} else {
					p_dir->subdirs[idx]->verified = true;
				}
			} else {
				String ext = f.get_extension().to_lower();
				if (!valid_extensions.has(ext)) {
					continue; 
				}
				int idx = p_dir->find_file_index(f);