Render asset credit inside the gallery lightbox correctly

GLightbox's own selector-based description feature never actually
resolved a selector in three different attempts -- literal text,
then a resolved-but-empty div, then apparently not firing at all
against the installed (unversioned) build. Replaced with a small
afterSlideLoad handler that reads a plain data-credit-selector
attribute and copies the real element's HTML into the slide's
description area directly, depending only on GLightbox handing back
a real DOM node per slide -- a much smaller contract than trusting
its own caption-resolution feature.

Renamed the credit div's class from glightbox-desc, since that name
is reserved by the library's own bundled CSS (display: none
!important) and can't be reliably overridden from here.

Also: distinguishes the credit line and the "N Bilder" caption from
ordinary body text (italic, muted, matching .author_and_date's
existing convention), and makes the lightbox's caption card follow
the site's light/dark toggle via Canvas/CanvasText, since the
library's bundled theme never adapts to it on its own.

1 files changed, 1 insertions, 0 deletions

diff --git a/app/views/nodes/edit.html.erb b/app/views/nodes/edit.html.erb
index da682f09..07b42d48 100644
--- a/app/views/nodes/edit.html.erb
+++ b/app/views/nodes/edit.html.erb
@@ -86,6 +86,7 @@
                   data-large-url="<%= related.asset.upload.url(:large) %>"
                   data-original-url="<%= related.asset.upload.url %>"
                   data-name="<%= related.asset.name %>"
+                  data-has-credit="<%= related.asset.has_credit? %>"
                   data-headline="<%= related.headline? %>"
                   class="<%= "is_headline" if related.headline? %>">
                 <span class="related_asset_handle"><%= icon("grip-vertical", library: "tabler", "aria-hidden": true) %></span>