Logging out in mob view and logging in a different map leaves shader on

Put the summary of the bug you're having here
Logging out in mob view in Specator mode and logging in a different map leaves the shader on of that mob

What I expected to happen was...:
There would be no shader

What actually happened was...:
There was a shader still on

Steps to Reproduce:
1. Go in spectator mode
2. Left click on Creeper
3. Log out of world
4. Join a different world
5. ???
6. Bug.