When an image is placed in RichText and then content will be published, placed Image will be rendered as embed (link to the content - out of the box).

Steps to reproduce
1. Clean installation of Ibexa DXP v3.3
2. Log in as admin to the back office. 
3. Create and publish a new Image Test Image.
4. Create a new Test Folder Folder. Inside short description field place previously added Image and publish Content.

Result
In the Test Folder Content preview, instead of Image in the short description field, there will be a link to the Test Image Content.

Expected Result
Test Image will be rendered.