correction bug enregistrement niveau de confiance CIMAF

adim_project/adim_app/static/_src/adim/ui.js

@@ -1624,7 +1624,7 @@ function($, _, Signal, paper, config, view, io, tools, attributes, Users, export
                         elem.on('change', pDef.onChange);
                     } else {
                         var elemBtn = elem.find(".btn-cat");
-                        if (elemBtn) {
+                        if (elemBtn && elemBtn.length > 0) {
                             elem.find(".btn-cat").on('change', null, {pName: pName}, onPropertyChange);
                         }else{
                             elem.on('change', null, {pName: pName}, onPropertyChange);