Description
Adding alignment to image only working on edit mode and some preview in admin UI but in preview Landing Page and on front site, alignment is missing

Steps to reproduce
1. Install eZ Platform
2. Login to Back Office
3. Add new Article with image alignment to left and text near next to the image
4. Publish
5. Visit Article on Front Page

Actual result:
alignment is missing

Expected result:
The alignment will work properly and the article looks like it was edited/added