Alignment: implement alternative metrics for focus calibration

Signed-off-by: Nicola VIGANÒ <nicola.vigano@esrf.fr>
3 jobs for alignment-focus-calibration-missing-features in 4 minutes and 58 seconds (queued for 3 seconds)
latest
Status Name Job ID Coverage
  Test
passed linux_docker #127456
docker

00:04:38

passed linux_shell #127455
shell

00:00:41

 
  Deploy
passed pages_shell #127457
shell

00:00:20