Change link previews to keep original URL from the status (#27312)

app/serializers/rest/preview_card_serializer.rb

@@ -8,6 +8,10 @@ class REST::PreviewCardSerializer < ActiveModel::Serializer
              :provider_url, :html, :width, :height,
              :image, :image_description, :embed_url, :blurhash, :published_at
 
+  def url
+    object.original_url.presence || object.url
+  end
+
   def image
     object.image? ? full_asset_url(object.image.url(:original)) : nil
   end