### Godot version

v4.0.beta.custom_build [705273140]

### System information

windows 10

### Issue description

When double-clicking a gltf file in the project, the Importer panel will open, but it will also extract the embedded textures.
This never happened in the previous version I was using (I'm not sure which beta I was using last- maybe 13 or 14).



### Steps to reproduce

open the project, and double-click the gltf file to open the importer, see that it creates an image file when it should stay embedded.


### Minimal reproduction project

[gltf import bug.zip](https://github.com/godotengine/godot/files/10522127/gltf.import.bug.zip)

if (!p_state->json.has("materials")) {
		return OK;
	}
	const Array &materials = p_state->json["materials"];
	for (GLTFMaterialIndex i = 0; i < materials.size(); i++) {
		const Dictionary &d = materials[i];
		Ref<StandardMaterial3D> material;
		material.instantiate();
		if (d.has("name") && !String(d["name"]).is_empty()) {
			material->set_name(d["name"]);
		} else {
			material->set_name(vformat("material_%s", itos(i)));
		}
		material->set_flag(BaseMaterial3D::FLAG_ALBEDO_FROM_VERTEX_COLOR, true);
		Dictionary pbr_spec_gloss_extensions;
		if (d.has("extensions")) {
			pbr_spec_gloss_extensions = d["extensions"];
		}
		if (pbr_spec_gloss_extensions.has("KHR_materials_pbrSpecularGlossiness")) {
			WARN_PRINT("Material uses a specular and glossiness workflow. Textures will be converted to roughness and metallic workflow, which may not be 100% accurate.");