fix alignment validation plotting macro

[mmusich]

PR description:

Trivial bug-fix of off-by-one issue introduced in PR #27984

PR validation:

Plotting of alignment PV Validation now works.

if this PR is a backport please specify the original PR:

NA
cc:
@adewit @connorpa

[mmusich]

type bug-fix

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-28516/12981

• This PR adds an extra 36KB to repository

[cmsbuild]

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

It involves the following packages:

Alignment/OfflineValidation

@christopheralanwest, @tocheng, @cmsbuild, @franzoni, @tlampen, @pohsun can you please review it and eventually sign? Thanks.
@mschrode, @mmusich, @adewit, @tocheng, @tlampen this is something you requested to watch as well.
@davidlange6, @slava77, @fabiocos you are the release manager for this.

cms-bot commands are listed here

[tlampen]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/3715/console Started: 2019/12/02 12:41

[cmsbuild]

+1
Tested at: 5473bf3
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f4a8ec/3715/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f4a8ec/3715/summary.html

@slava77 comparisons for the following workflows were not done due to missing matrix map:

• /data/cmsbld/jenkins/workspace/compare-root-files-short-matrix/results/JR-comparison/PR-f4a8ec/23234.0_TTbar_14TeV+TTbar_14TeV_TuneCUETP8M1_2026D49_GenSimHLBeamSpotFull14+DigiFullTrigger_2026D49+RecoFullGlobal_2026D49+HARVESTFullGlobal_2026D49

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 34
• DQMHistoTests: Total histograms compared: 2793840
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2793498
• DQMHistoTests: Total skipped: 341
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 33 files compared)
• Checked 147 log files, 16 edm output root files, 34 DQM output files

[tlampen]

+1

[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. @davidlange6, @slava77, @smuzaffar, @fabiocos (and backports should be raised in the release meeting by the corresponding L2)

[fabiocos]

+1