[IMP] Event : Removing the automic date_end assignation based on date_be...

...gin & Website_event_track : Add label of event location.

- Task: https://www.odoo.com/web#id=9805&view_type=form&model=project.task&action=333&active_id=131
- Pad: https://pad.odoo.com/p/r.VjzHu8lBZavlZf2Y