ITS#9742 Reject a refresh if we can't do a precise resync

3 jobs for !443 with its9742 in 52 minutes and 44 seconds (queued for 28 minutes and 12 seconds)
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Status Name Job ID Coverage
  Build
passed build-gnutls-mit-standalone-lloadd #10191

00:45:21

passed build-no-threads-no-slapd #10189

00:01:53

passed build-openssl-heimdal-lloadd #10190

00:50:33