Hide inspectors using new method when saving

Previous hack caused unwanted blur events and subsequent range changes.

Depends on I8388318311 in core.

Change-Id: I9163f4d9928887a5eec09f0651ec0a66cc221cd4
Make fieldsets render properly

Depends on I797ec22 in OOJS-UI

Change-Id: I3841bc50346e67dfe92814ebe337fd92365ae1d4
Merge "Hide inspectors using new method when saving"
Merge "Make fieldsets render properly"