Fix a bug with the inheritance model

See https://github.com/meteor/meteor/issues/6162

client/components/cards/cardDetails.js

@@ -116,7 +116,7 @@ BlazeComponent.extendComponent({
         UnsavedEdits.set(this._getUnsavedEditKey(), this.getValue());
       }
     }
-    super();
+    super.close();
   }
 
   reset() {