### Steps to reproduce

1. Login as a user with all WP and meetings permissions

2. Make sure to have a meeting with more than 2 sections

3. Go to any WP

4. Go to the Meetings tab

5. Click on 'Add to meeting'

6. Select the meeting with more than 2 sections


### What is the buggy behaviour?

* Section selector defaults to Begin of the insertionpenultimateEnd of the insertion Begin of the deletion second drop downEnd of the deletion entry


### What is the expected behaviour?

1. Selector defaults to the 1st entry


###

### Screenshots and other files

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/781737/content">

### Environment information

**OpenProject version**

ore build

[606bc40fedf7005e4f865d3bd3a0f685ac7d32b2](https://github.com/opf/openproject/commits/606bc40fedf7005e4f865d3bd3a0f685ac7d32b2)

Product version

[c263279efb1367d99db713c3a0f672ff7a561b30](https://github.com/opf/saas-openproject/commits/c263279efb1367d99db713c3a0f672ff7a561b30)

Core version

OpenProject 16.5.0

**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)