datetime: Fix activating time and timezone rows

These rows seems not activatable by default and thus not able to edit those values
9 jobs for master in 8 minutes and 33 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #850516
build

00:03:17

 
  Test
passed #850518
coverage

00:04:34

passed #850517
test

00:01:04

 
  Manual
manual #850519
privileged allowed to fail manual
asan
manual #850522
allowed to fail manual
msan
manual #850520
allowed to fail manual
tsan
manual #850521
allowed to fail manual
ubsan
 
  Deploy
passed #850523
pages

00:00:41

passed pages:deploy

00:00:04