fix show article without taxon on frontend article list
fix show article without taxon on frontend article list


Former-commit-id: dee47245d88285d8e67a3ccc44a88c333ac9352b
loic425/Jedisjeux,Jedisjeux/Jedisjeux,loic425/Jedisjeux,Jedisjeux/Jedisjeux,loic425/Jedisjeux,loic425/Jedisjeux,Jedisjeux/Jedisjeux,Jedisjeux/Jedisjeux,loic425/Jedisjeux