fix: Render articles in widget if it is available (#7654)

Co-authored-by: Nithin David Thomas <1277421+nithindavid@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: iamsivin <iamsivin@gmail.com>
Co-authored-by: Sojan <sojan@pepalo.com>

app/views/public/api/v1/models/_article.json.jbuilder

@@ -38,3 +38,5 @@ json.associated_articles do
     end
   end
 end
+
+json.link "hc/#{article.portal.slug}/articles/#{article.slug}"