### 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


if (!uri.begins_with("data:application/octet-stream;base64") &&
						!uri.begins_with("data:application/gltf-buffer;base64") &&
						!uri.begins_with("data:image/png;base64") &&
						!uri.begins_with("data:image/jpeg;base64")) {
					WARN_PRINT(vformat("glTF: Image index '%d' uses an unsupported URI data type: %s. Skipping it.", i, uri));
					p_state->images.push_back(Ref<Texture2D>()); 
					continue;
				}
				data = _parse_base64_uri(uri);
				data_ptr = data.ptr();
				data_size = data.size();
				
				if (mimetype.is_empty()) {
					if (uri.begins_with("data:image/png;base64")) {
						mimetype = "image/png";
					} else if (uri.begins_with("data:image/jpeg;base64")) {
						mimetype = "image/jpeg";
					}
				}
			} else { 
				ERR_FAIL_COND_V(p_base_path.is_empty(), ERR_INVALID_PARAMETER);
				uri = uri.uri_decode();
				uri = p_base_path.path_join(uri).replace("\\", "/"); 
				
				
				
				
				
				Ref<Texture2D> texture = ResourceLoader::load(uri);