Fix to oddities with Chameleon Projectors and layers

- When activated, the user mob's layer is now automatically set to the
object layer
- Naturally, when deactivated for any reason whatsoever, the user's
layer is set back to mob layer

This should ensure everything works properly, notably related to
lockers, but not only
Remove anchor
Changelog
Merge pull request #1734 from dylanstrategie/Chameleon-Projector

Fix to oddities with Chameleon Projectors and layers