Correction du modele citation (pour homogénéiser)

design_system_admin/modeles/dsfr_citation.html

 <figure class="fr-quote fr-quote--column">
     <blockquote [cite="(#ENV**{url_source})"]>
-        <p>«&nbsp;#ENV**{citation}&nbsp;»</p>
+        <p>«&nbsp;#ENV**{texte}&nbsp;»</p>
     </blockquote>
     <figcaption>
         [<p class="fr-quote__author">(#ENV**{auteur})</p>]