### Godot version

0810ecaafdbee3ea747219e6ab3a8de5d2216a09

### System information

Windows 11, Nvidia 3000, firefox

### Issue description

Exporting the gltf file is corrupt in blender.

### Steps to reproduce

1. Open project.
2. Export as glb
3. Open in blender
4. Blender display many warnings

![image](https://user-images.githubusercontent.com/32321/216740742-de662c5c-f5c3-44b5-a36e-8ad33defdbba.png)


### Minimal reproduction project

https://cdn.discordapp.com/attachments/598003845657788438/1071249610896580691/Test_Game_Project.zip


ERR_FAIL_COND_V(!p_state->json.has("nodes"), ERR_FILE_CORRUPT);
	const Array &nodes = p_state->json["nodes"];
	for (int i = 0; i < nodes.size(); i++) {
		Ref<GLTFNode> node;
		node.instantiate();
		const Dictionary &n = nodes[i];
		if (n.has("name")) {
			node->set_name(n["name"]);
		}
		if (n.has("camera")) {
			node->camera = n["camera"];
		}
		if (n.has("mesh")) {
			node->mesh = n["mesh"];
		}
		if (n.has("skin")) {
			node->skin = n["skin"];
		}
		if (n.has("matrix")) {
			node->xform = _arr_to_xform(n["matrix"]);
		} else {
			if (n.has("translation")) {
				node->position = _arr_to_vec3(n["translation"]);
			}
			if (n.has("rotation")) {
				node->rotation = _arr_to_quaternion(n["rotation"]);
			}