[CMSSW_15_1_X] Update for Labels of GE2/1 Layers on GEM online DQM to backport 15_1_X

[hyokyu-choi]

PR description:

In this PR, GEM online DQM plots for GE2/1 Layer 1 labels have been implemented. (backport)

PR validation:

Tests are done with cmsRun $CMSSW_BASE/src/DQM/Integration/python/clients/gem_dqm_sourceclient-live_cfg.py unitTest=True runNumber=396180 dataset=/ExpressPhysics/Run2025E-Express-v1/FEVT and runTheMatrix.py -l limited -i all --ibeos since it makes effects on P5 and reconstruction

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:

This PR is a backport of #49191 to 15_1_X

@jshlee @watson-ij @Dongwoon77 @hyokyu-choi

[cmsbuild]

A new Pull Request was created by @hyokyu-choi for CMSSW_15_1_X.

It involves the following packages:

• DQM/GEM (dqm)

@cmsbuild, @ctarricone, @gabrielmscampos, @nothingface0, @rseidita can you please review it and eventually sign? Thanks.
@watson-ij this is something you requested to watch as well.
@ftenchini, @mandrenguyen, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

cms-bot internal usage

[gabrielmscampos]

test parameters:

• addpkg = DQM/Integration

[gabrielmscampos]

please test

[cmsbuild]

+1

Size: This PR adds an extra 16KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-e2695d/48892/summary.html
COMMIT: 0e9e5b8
CMSSW: CMSSW_15_1_X_2025-10-29-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/49245/48892/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 2 lines to the logs
• Reco comparison results: 2 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 4122855
• DQMHistoTests: Total failures: 16
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 4122819
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 49 files compared)
• Checked 215 log files, 184 edm output root files, 50 DQM output files
• TriggerResults: no differences found

[gabrielmscampos]

+dqm

• P5 tests OK

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_15_1_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_16_0_X is complete. This pull request will now be reviewed by the release team before it's merged. @sextonkennedy, @mandrenguyen, @ftenchini (and backports should be raised in the release meeting by the corresponding L2)