Description of problem: When viewing a terminal in full screen, the masthead and nav overlay the terminal window, blocking it from use. The change in https://github.com/openshift/console/pull/4725/files#diff-e5e01aec8308536037e33b0250143d43R11 is the source of the bug.
Created attachment 1672689 [details] Full screen terminal is broken
fullscreen the pod terminal, the masthead and nav would not overlay the terminal window 4.4.0-0.nightly-2020-03-23-115620
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-2020:2409