* add switches to advanced even type settings
* only show switches when workflow is enabled
* check in event type update handler if user is allowed to disable standard emails
* don't send emails if disabled
* make sure emails can't be disabled if no workflow exist
* send workflow emails to all attendees
* code clean up
* add translations
* always send to all attendees when scheduling reminders
* change text
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Co-authored-by: CarinaWolli <wollencarina@gmail.com>