zeroed mono/stereo cluster counts in SiStripMonitorTrack at each event loop

[mmusich]

PR description:

A trivial bug-fix follow-up PR to #41725.
The mono / stereo cluster counts introduced there need to be zeroed at each event loop, otherwise it will count all the hits in the run, leading to plots like this one:

PR validation:

cmssw compiles

If this PR is a backport please specify the original PR and why you need to backport that PR. If this PR will be backported please specify to which release cycle the backport is meant for:

Not a backport, but needs to be backported to 13.0.X

[mmusich]

type bug-fix

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-41989/35957

• This PR adds an extra 28KB to repository

• There are other open Pull requests which might conflict with changes you have proposed:

  • File DQM/SiStripMonitorTrack/src/SiStripMonitorTrack.cc modified in PR(s): Nm dqm egamma v update for13 1 x #41987

[cmsbuild]

A new Pull Request was created by @mmusich (Marco Musich) for master.

It involves the following packages:

• DQM/SiStripMonitorTrack (dqm)

@nothingface0, @emanueleusai, @cmsbuild, @pmandrik, @syuvivida, @tjavaid, @micsucmed, @rvenditti can you please review it and eventually sign? Thanks.
@arossi83, @sroychow, @fioriNTU, @jandrea, @idebruyn, @threus this is something you requested to watch as well.
@perrotta, @dpiparo, @rappoccio you are the release manager for this.

cms-bot commands are listed here

[mmusich]

please test

[mmusich]

@cmsbuild ping?

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-d7c5b0/33207/summary.html
COMMIT: 428fcea
CMSSW: CMSSW_13_2_X_2023-06-16-1100/el8_amd64_gcc11
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/41989/33207/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 15 lines to the logs
• Reco comparison results: 5 differences found in the comparisons
• DQMHistoTests: Total files compared: 48
• DQMHistoTests: Total histograms compared: 3196062
• DQMHistoTests: Total failures: 178
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3195862
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 47 files compared)
• Checked 207 log files, 159 edm output root files, 48 DQM output files
• TriggerResults: no differences found

[emanueleusai]

+1

• dqm differences as expected from PR

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @perrotta, @dpiparo, @rappoccio (and backports should be raised in the release meeting by the corresponding L2)

[rappoccio]

+1