[Backend] Distributions : correctif init dropdown

backend/web/js/vuejs/distribution-index.js

                         app.updateOrderFromUrl();
                     }
 
-                    setTimeout("opendistrib_popover();", 500);
+                    setTimeout("opendistrib_popover(); opendistrib_dropdown_tooltip();", 500);
 
                     var highlightStyle = {
                         color: 'orange',