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### Steps to reproduce

1. Login and create a doc of type Experimental on Edge

2. Have a toggle list and save


### What is the buggy behavior?

1. Toggle lists appear as Begin of the insertionbullet pointsEnd of the insertion Begin of the deletion plain textEnd of the deletion after a document is saved.


<img Begin of the insertionclass="op-uc-imageEnd of the insertion Begin of the deletion class="image_resized op-uc-imageEnd of the deletion op-uc-image_inline" Begin of the insertionsrc="/api/v3/attachments/825343/content">End of the insertion Begin of the deletion style="width:593px;" src="/api/v3/attachments/782039/content">End of the deletion

2\. The same issue applies to Toggle headings

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### What is the expected behavior?

1. Toggle list should be correctly displayed as a list with toggle function

2. Toggle headings should also work


###

### Environment information

Begin of the deletion **OpenProject version**

End of the deletion **Core build**

Begin of the insertion[31aa2b7408bb629cfc71221c52ace397bdf20e5e](https://github.com/opf/openproject/commits/31aa2b7408bb629cfc71221c52ace397bdf20e5e)End of the insertion Begin of the deletion [01cdde53fbe71fa80ec2a36ed4bb94523e884d10](https://github.com/opf/openproject/commits/01cdde53fbe71fa80ec2a36ed4bb94523e884d10)End of the deletion

**Product version**

Begin of the insertion[4390ffec952ff845a712e811a4a0f080578d6be9](https://github.com/opf/saas-openproject/commits/4390ffec952ff845a712e811a4a0f080578d6be9)End of the insertion Begin of the deletion [a58c32168495791b5944adbc577c4f0db8b1af03](https://github.com/opf/saas-openproject/commits/a58c32168495791b5944adbc577c4f0db8b1af03)End of the deletion

**Core version**

OpenProject Begin of the insertion17.0.0End of the insertion Begin of the deletion 16.5.0End of the deletion

**Browser**

* [x] Chrome
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Firefox
* [ ] Safari
* [ ] Mobile Safari
* [ ] Other (please specify)

**Operating System**

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