UI: don't allow setting emails if they haven't been enabled by the administrator;

5 jobs for config-file in 11 minutes and 44 seconds (queued for 1 second)
Status Name Job ID Coverage
  Lint
passed lint #36835

00:01:39

 
  Build
passed build #36836

00:02:26

 
  Test
passed lint_history #36839

00:04:59

passed npm #36838

00:02:38

passed test #36837

00:02:07