Verified in 5.5.2.
Verified the following:
1) Form buttons are visible without going into Full Screen mode.
2)After the first Submit, all the Form buttons are visible.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2016:0159