When exporting from a Test, if a Description of a linked PreCondition has images, they are not being rendered, even using the wiki markup.

Description
When exporting from a Test, if a Description of a linked PreCondition has images, they are not being rendered, even using the wiki markup. 

Pre-conditions
Link a Precondition to a Test

How to reproduce

1. Create a Test and a PreCondition and link them
2. Add images on the Description field of the PreCondition
3. Create a template to iterate with the PreCondition from the Test issue
4. Add the mapping to export the Description field of the PreCondition using the Wiki markup
5. Export the template from the Test issue

Actual result/Attachments
It doesn´t render the image from the PreCondition Description field.

Expected result
It should render the image.