Shulker box render error

Trying to render any shulker box returns an error
```ts
Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'forEach')
    at ModelLoader.ts:24:42
(anonyme) @ ModelLoader.ts:24
Promise.then (asynchrone)
Ll @ ModelLoader.ts:24
kl @ index.ts:17
document.getElementById.onclick @ sidebar.ts:9
```