Fix FT fine time alignment histograms

The fine time alignment histograms have the wrong binning and thus truncate negative values and their names contain "mean" although they do not average anything.

This MR fixes both problems.

added FT label

added Monitoring label

added RTA label

assigned to @jheuel and @msaur

/ci-test

added ci-test-triggered label

• [2022-09-13 16:43] Validation started with lhcb-master-mr#5637

assigned to @rmatev

added cleanup label

resolved all threads

approved this merge request

merged

mentioned in commit 4f6a1b5d

mentioned in issue Moore#478 (closed)