reset display during destroy, fixes #741

js/item.js

@@ -42,6 +42,16 @@ Item.prototype.updateSortData = function() {
   }
 };
 
+var _destroy = Item.prototype.destroy;
+Item.prototype.destroy = function() {
+  // call super
+  _destroy.apply( this, arguments );
+  // reset display, #741
+  this.css({
+    display: ''
+  });
+};
+
 return Item;
 
 }