I can confirm the issue but have no idea how practical it would be to attempt to fix it. It's also a problem in Classic Skyrim (not just Skyrim Special Edition).
wardrobe [Form ID: 000a85b6] (wall to the left)
bookshelf [Form ID: 000a85b7] (wall to the right)
bookshelf [Form ID: 000a85b8] (wall to the left)