Merge branch '44508-fix-fork-namespace-images' into 'master'

Resolve "When forking any project, the images (avatar) of the groups (and subgroups) are not loaded."

Closes #44508

See merge request gitlab-org/gitlab-ce!18048

app/helpers/namespaces_helper.rb

@@ -31,7 +31,7 @@ module NamespacesHelper
 
   def namespace_icon(namespace, size = 40)
     if namespace.is_a?(Group)
-      group_icon(namespace)
+      group_icon_url(namespace)
     else
       avatar_icon_for_user(namespace.owner, size)
     end

changelogs/unreleased/44508-fix-fork-namespace-images.yml

+---
+title: Fix bug rendering group icons when forking
+merge_request:
+author:
+type: fixed