[BUG] Resource Pack Export: Invalid Parent Resource Location In Variant Models

### Current (Incorrect) Format:
```json
{
    "parent": "animated_java:item/blueprint",
    "textures": {
        "0": "animated_java:item/blueprint/my_texture1"
    }
}
```

### Correct Format:
```json
{
    "parent": "animated_java:item/blueprint/<default_variant>/<bone>",
    "textures": {
        "0": "animated_java:item/blueprint/my_texture1"
    }
}
```