Scheduler event "ItemChanging" missing information in the event item object

[Svetoslavb04]

Describe the bug
In the ev.detail.item (the object of the modified event) there is information only about allDay (boolean), dateStart and dateEnd.
There can be more information such as label, description, repeat(boolean), conference link, backgroundColor, status and notifications.
The most important are label and description

To Reproduce
Steps to reproduce the behaviour:

1. Go to https://codepen.io/svetoslavb04/pen/rNdwxOd
2. Click on some date to add event
3. Fill the form
4. Submit it
5. See the logged object in the console. It contains only three props

Expected behaviour
The logged object should contain more props with the info about the object