`forward_attrs` is ignored by `#[derive(FromAttributes)]`

[Veetaha]

Reproduction

use darling::FromAttributes;

#[derive(darling::FromAttributes)]
#[darling(attributes(builder, forward_attrs))]
struct Params {
    default: Option<syn::Expr>,
    attrs: Vec<syn::Attributes>,
}

The code generated by darling doesn't compile in this case because it doesn't initialize the attrs field.