Fix 'username-www' user forces password change

When lastchange ldap attribute is set to 0 it also always forces a
password change. This breaks the suwww command. This commit fixes
that for newly created users only.
4 jobs for master in 4 minutes and 19 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Testing
passed #6091
ruby_bundler

00:04:12

passed #6089
ruby_lint

00:03:24

passed #6088
ruby_syntax

00:03:01

passed #6090
yaml_lint

00:04:19