### Steps to reproduce

1. Login as a user with all meetings permissions

2. Go to Meetings module

3. Create a one time meeting


### What is the buggy behaviour?

* Organiser doesn't receive meeting invite


### What is the expected behaviour?

1. Organiser receives meeting invite


###

###

### Begin of the insertion

End of the insertion Begin of the deletion Note

this also happens if an occurrence of a series is copied as one time meeting, as well as when a one time meeting is copied

End of the deletion ### Environment information

**OpenProject version**

Core build

[e748c9463d2305662b41feb376378ade243f837b](https://github.com/opf/openproject/commits/e748c9463d2305662b41feb376378ade243f837b)

Product version

[d5576fc5b26ae6e018694f085ed3768345f6626d](https://github.com/opf/saas-openproject/commits/d5576fc5b26ae6e018694f085ed3768345f6626d)

Core version

OpenProject 16.3.0

**Browser**

* [ ] Chrome
* [x] Firefox
* [ ] Safari
* [ ] Mobile Safari
* [ ] Other (please specify)

**Operating System**

* [x] Windows
* [ ] Mac OS X
* [ ] Mobile iOS
* [ ] Mobile Android
* [ ] Linux (please specify distro)
* [ ] Chrome OS
* [ ] Other (please specify)