fbx2glTF produces model with EMPTY_ENTITY errors

[mramato]

Godot version

v0.13.0-p1

System information

Windows 11 Pro, Intel(R) Core(TM) i7-10750H

Issue description

The attached model, Avocado.zip, produces two glTF validation errors when ran through fbx2gltf. Below is the

{
  "mimeType": "model/gltf-binary",
  "validatorVersion": "2.0.0-dev.3.9",
  "validatedAt": "2023-06-10T00:39:18.378Z",
  "issues": {
    "numErrors": 2,
    "numWarnings": 0,
    "numInfos": 0,
    "numHints": 0,
    "messages": [
      {
        "code": "EMPTY_ENTITY",
        "message": "Entity cannot be empty.",
        "severity": 0,
        "pointer": "/animations/0/channels"
      },
      {
        "code": "EMPTY_ENTITY",
        "message": "Entity cannot be empty.",
        "severity": 0,
        "pointer": "/animations/0/samplers"
      }
    ],
    "truncated": false
  },
  "info": {
    "version": "2.0",
    "generator": "FBX2glTF v0.13.0",
    "resources": [
      {
        "pointer": "/buffers/0",
        "mimeType": "application/gltf-buffer",
        "storage": "glb",
        "byteLength": 8673296
      },
      {
        "pointer": "/images/0",
        "mimeType": "image/png",
        "storage": "buffer-view",
        "image": {
          "width": 2048,
          "height": 2048,
          "format": "rgb",
          "primaries": "srgb",
          "transfer": "srgb",
          "bits": 8
        }
      },
      {
        "pointer": "/images/1",
        "mimeType": "image/png",
        "storage": "buffer-view",
        "image": {
          "width": 2048,
          "height": 2048,
          "format": "rgb",
          "primaries": "srgb",
          "transfer": "srgb",
          "bits": 8
        }
      }
    ],
    "animationCount": 1,
    "materialCount": 1,
    "hasMorphTargets": false,
    "hasSkins": false,
    "hasTextures": true,
    "hasDefaultScene": true,
    "drawCallCount": 1,
    "totalVertexCount": 406,
    "totalTriangleCount": 682,
    "maxUVs": 1,
    "maxInfluences": 0,
    "maxAttributes": 3
  }
}

Steps to reproduce

1. Download Avocado.zip
2. Run `fbx2gltf -i Avaocado.fbx -o out
3. Validate the model with the gltf-validator

Minimal reproduction project

N/A

[hu-xd]

actually this sample fbx file still has a .tga problem but that's a seperate issue 😊