Rewards on Scene Admin Smart Item

The functionality for wearable and emote airdrops in the scene admin smart item was partially implemented, but it was cut out of scope because of limited time.

To have this ready we need to do the following:

- Display error messages whenever theres an issue with the claim. This is marked with TODO on the code.
- Polish the timing of animations with the rewards smart item
- Fix issues with the collider of the rewards smart item
- Uncomment the Rewards smart item
- Uncomment the Rewards section in the Scene Admin UI and in the component configuration

Regarding the 3rd point, a theory: these issues possibly are related to the fact that the animation of this model moves it down to land, and perhaps the colliders are not being animated too

Once ready, we should test this feature thoroughly before releasing