1. Login, create in-world object.
2. Add landmark into object's contents.
3. Open 'Object contents' floater.
4. Try drag landmark on Favorites bar.
Actual: landmark doesn't appear on Favorites bar but the "+" sign appears indicating that drop is allowed.
Expected: a barred circle sign appears when user tries to drop a landmark to Favorites bar from in-world object contents or from a notecard.