When creating an event with double click, when the autoSync is on, the calendar attempts to save the item as soon as, displaying the syncMask.
https://www.dropbox.com/s/3iqlyf4yehm6vrc/Snipaste_2022-04-22_13-26-11.png?dl=0
To test this, use calendar-scheduler example, set autoSync to true for the crudManager and double click on the timeline.
https://www.dropbox.com/s/9jkqtchwwv5v94p/Snipaste_2022-04-22_13-20-09.png?dl=0