hotline #72470 : undo unwanted iframes css customization removal

application/modules/opac/views/scripts/iframe.phtml

 <?php
+Class_ScriptLoader::getInstance()->addSkinStyleSheet('iframe');
+
 ob_start();
 echo $this->render($this->actionScript);
 $html_contents = ob_get_contents();

cosmogramme/VERSIONS_HOTLINE/72470

+ - ticket #72470 : Boîtes kiosque : Réactivation du chargement des personnalisations css des iframes
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