Added THUMBNAIL_DEBUG
Added THUMBNAIL_DEBUG

This setting is required to view the UI outside of the dashboard. Set to False since we aren't actually using thumbnails.

eduNEXT/edunext-ecommerce,janusnic/ecommerce,edx/ecommerce,janusnic/ecommerce,janusnic/ecommerce,eduNEXT/edunext-ecommerce,edx/ecommerce,eduNEXT/edunext-ecommerce,mferenca/HMS-ecommerce,edx/ecommerce,mferenca/HMS-ecommerce,eduNEXT/edunext-ecommerce,mferenca/HMS-ecommerce,edx/ecommerce