It has always been like this (storage and accessories confused in attic), and also the other things you mention (item shows up twice but is actually just available one time)...
Yes storage seems very messed up at the moment. In my attic it allows me to put some stuff in sections it shouldn't be in while in sections it should be in it doesn't show in my inventory.
Also when I try to store PSIs even if they are from an animal I own that I aquired both halves of the PSI at the same time ( like bunny ears & glasses ) when I try to store them I can't tell which are my set that live together & which don't sit as a pair in my inventory as they were from trades. This is because it peppers the glasses & ears all seperately throughout my many pages of inventory may be even putting something new at the back on occasions. There seems no rhyme nor reason to it !
Yes, I agree on both counts - it would be incredibly helpful if items could go in the correct section, and if outfits could stay together. Storage is so confusing to use right now.
Many items seem to be misclassified. Many rugs and wallpapers don't go in their section. Some furniture won't show in the inventory when opening the furniture area. I'll have to make a list, because it's probably the item itself that is wrong. I wonder what's up with the ones that won't go anywhere.