WebUI: Disable 'Unlock' action for users with no password
Administrator should reset user password to make the unlock option available.
Ticket: https://pagure.io/freeipa/issue/5062
Signed-off-by: Serhii Tsymbaliuk <stsymbal@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>