feat(v4): Update the help center portal design (#10296)

Co-authored-by: Pranav <pranavrajs@gmail.com>

spec/models/article_spec.rb

@@ -54,7 +54,7 @@ RSpec.describe Article do
     it 'adds locale to article from portal' do
       article = create(:article, content: 'This is the content', description: 'this is the description',
                                  slug: 'this-is-title', title: 'this is title',
-                                 portal_id: portal.id, author_id: user.id)
+                                 portal_id: portal.id, author_id: user.id, locale: '')
       expect(article.locale).to eq(portal.default_locale)
     end
   end