Nothing is rendered when Applying headers next to images in the description

Description
Nothing is rendered when Applying headers next to images in the description

Pre-conditions
Create an issue with a description similar to this:

h3. !image-2023-02-09-14-08-06-274.png|width=600,height=337!

How to reproduce

1. Create an issue
2. In the description, add an image
3. add a header formation before the URL of the image

Actual result/Attachments
Nothing is rendered, just the field shows up ${wiki:Description}

Expected result
The description is exported to the template

Version

• The last version at that time (6.9.15)