### Steps to reproduce

1. Login as a user with all meetings permissions

2. Go to a meeting series occurrence where there are several items and sections and items in the backlog

3. On a backlog item, click on the 3 dot menu > Move > Section


### What is the buggy behaviour?

* Sections list shows duplicate entries


### What is the expected behaviour?

1. Each section is only once in the list


###

### Begin of the insertionNotes

the sections list shows both from template and from current meeting

###End of the insertion Screenshots and other files

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/804344/content">

### Environment information

**OpenProject version**

Core build

[f3a22f2801ab71c7799d4238cd6448fdbfb2a831](https://github.com/opf/openproject/commits/f3a22f2801ab71c7799d4238cd6448fdbfb2a831)

Product version

[5f04a1bfa2cd2861025ca17cfc0b2d4d50043464](https://github.com/opf/saas-openproject/commits/5f04a1bfa2cd2861025ca17cfc0b2d4d50043464)

Core version

OpenProject 17.0.0

**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)