BUG in Start Time of Event (new or edit)

[hi1975]

If I click on calendar to add a new event, the start time options are correct. But if I cancel this inclusion, and I try to add a new event WITHOUT refresh the page, the start time options are rendered twice (e.g. from 8am to 6pm and from 8am to 6pm again).

If I cancel this inclusion again, and I try to add a new event for 3rd time WITHOUT refresh, the start time options are rendered 3 times

This issue occurs sucessively: if I try to add a new event for N times WITHOUT refresh, the start time options are rendered N times

If I click on a created event, this issue occurs too.