"image_tag" does not generate loading="lazy" attribute

image_tag-bug.md

{%- liquid
  if preload
    assign loading = 'eager'
    assign fetchpriority = 'high'
  else
    assign loading = 'lazy'
    assign fetchpriority = 'auto'
  endif
-%}

{{- media | image_url: width: media.preview_image.width | image_tag: loading: loading -}}

if loading = 'eager'

Generated has attribute loading="eager"

if loading = 'lazy'

Generated does not has attribute loading="lazy"