Soul storm items need a better visual indicator

Items dropped from soul storms desperately need a better indication in the inventory. Soul storm items are essentially the gilded items of Dungeons 2, and gilded items in Dungeons 1 had a golden icon in the inventory to make them easily distinguishable. Soul storm items need this, such as a purple outline around the item windows (purple because it does not clash with the gray common / green rare / blue special / orange unique item windows).