End Portal Frame does not retain NBT with Ctrl+RMB in Creative mode

End Portal Frame does not retain NBT with Ctrl+RMB in Creative mode.

 

Steps to replicate:
1. Place an End Portal Frame

2. Put Eye of Ender in a Frame

3. Use Ctrl+RMB in Creative mode on a frame you've used.

4. End Portal Frame given has no Eye in it.