### **Environment**:

Your OpenProject Version: 11.1

### **Steps to reproduce:**

1. Create a wiki page
2. Insert the following content directly via db or rails console:

```text
User link: <span class="mention" data-type="">user#89</span>
```

Then try to edit the wiki page.

### **Actual Behavior**

The content of the wiki page is not visible when editing

<figure class="image op-uc-figure"><div class="op-uc-figure--content"><img class="op-uc-image" src="/api/v3/attachments/20204/content"></div></figure>

### **Expected Behavior**

The content of the wiki page should be visible when editing.

### Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion Development Notes

* How to detect the type group of an old mention Begin of the insertion
* The old mentions would still appear with the id (#12, @12) not with the name
* Group mention are turned into an span, not a divEnd of the insertion