[producer] Correctif bug affichage iPhone

producer/web/js/vuejs/order-order.js

         },
         dayClickList: function(event) {
             var dateStr = event.currentTarget.getAttribute('data-distribution-date') ;
-            var dateObject = Date.parse(String(dateStr));
+            var dateObject = Date.parse(String(dateStr+""));
             if(this.isAvailableDate(dateObject)) {
                 this.dayClickEvent(dateObject) ;
             }