How to reproduce

• connect to cms
• open newsletter module
• create a category 1 and select the skin A
• select another category 2 and select the skin B
• click on the category 1
• click on the button to select a skin

Current behavior

• the skin overlayed is the B but the skin in used n the category 1
• the overlay is on the last selected skin

Expected behavior

• The skin overlayed is the one currently in used by the selected category