code optimization

layouts/partials/header/hero.html

@@ -56,7 +56,7 @@
           {{ if not site.Params.image_sizes.design_system.lightbox.disabled }}
             <a  class="glightbox"
                 role="button"
-                data-glightbox="type: image;{{ if .image.credit }}description: {{ partial "PrepareHTML" .image.credit }}{{ end }}"
+                data-glightbox="type: image;{{ with .image.credit }}description: {{ partial "PrepareHTML" . }}{{ end }}"
                 href="{{ partial "GetLightboxUrl" .image }}"
                 title="{{- i18n "commons.lightbox.link.title" -}}"
                 aria-label="{{- i18n "commons.lightbox.link.title" -}}">