Attendee Should not be able to move an event they are not the organizer of

[SebastianKrupinski]

Steps to reproduce

1. As user1 create event and invite user2
   2.As user2 drag event to different day

Expected behavior

The event should not move to a different day, prevent the event from being dragged or show error dialog.

Additionally,

RFC does allow for COUNTER offers, so in reality dragging the event to a different time/day, should generate a COUNTER offer that is sent to the organizer.

Actual behavior

Event is moved to another day.

Calendar app version

No response

CalDAV-clients used

No response

Browser

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Client operating system

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Server operating system

No response

Web server

None

Database engine version

None

PHP engine version

None

Nextcloud version

No response

Updated from an older installed version or fresh install

None

List of activated apps

Nextcloud configuration

Web server error log

Log file

Browser log

Additional info

No response