Hotline #16864 broken emplacement modification

cosmogramme/php/classes/classe_unimarc.php

@@ -452,7 +452,7 @@ class notice_unimarc extends iso2709_record {
protected function isEmplacementInvisible($id) {
-		return ($emplacement = Class_CodifEmplacement::find($id)) && ($emplacement->getInvisible() == 1);
+		return ($emplacement = Class_CodifEmplacement::find($id)) && !$emplacement->isVisible();
}