ITS#9358 Fix reqStart normalizer

Don't truncate trailing zeroes in reqStart/reqEnd timestamps
3 jobs for reqstart in 25 minutes and 21 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #2329
build-gnutls-mit

00:25:11

passed #2327
build-no-threads-no-slapd

00:02:31

passed #2328
build-openssl-heimdal

00:25:20