Backport to 12_3_X for CSC unpacking update PR#37279

[barvic]

PR description:

Backport to 12_3_X for CSC unpacking update PR #37279

if this PR is a backport please specify the original PR and why you need to backport that PR:

Would need to have those unpacking updates deployed at P5 soon as possible for proper unpacking of CSC ALCT/(O)TMB data with new versions of firmware with enabled Run3 features

[cmsbuild]

A new Pull Request was created by @barvic (Victor Barashko) for CMSSW_12_3_X.

It involves the following packages:

• EventFilter/CSCRawToDigi (reconstruction)

@jpata, @cmsbuild, @clacaputo, @slava77 can you please review it and eventually sign? Thanks.
@Martin-Grunewald, @missirol, @ptcox this is something you requested to watch as well.
@perrotta, @dpiparo, @qliphy you are the release manager for this.

cms-bot commands are listed here

• Backported from CSC Run3 data format unpacking/packing update (12_4_X) #37279

[perrotta]

backport of #37279

[perrotta]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5e31e5/23684/summary.html
COMMIT: 8640be8
CMSSW: CMSSW_12_3_X_2022-04-05-2300/slc7_amd64_gcc10
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/37479/23684/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 49
• DQMHistoTests: Total histograms compared: 3697381
• DQMHistoTests: Total failures: 484
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3696875
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 48 files compared)
• Checked 204 log files, 45 edm output root files, 49 DQM output files
• TriggerResults: no differences found

[perrotta]

"Removing the +1 here: I did not notice that it still misses the reco signature"

• Master version of this PR already merged since CMSSW_12_4_X_2022-04-06-1100

[barvic]

Dear @clacaputo, could you please review and sign this back-port, so @perrotta could proceed with merging this PR to 12_3_X and then it could be available for P5 deployment?

[clacaputo]

+reconstruction

• CSC Run3 data format unpacking/packing update (12_4_X) #37279 backport
• no reco changes

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_12_3_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_12_4_X is complete. This pull request will now be reviewed by the release team before it's merged. @perrotta, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[perrotta]

+1