Add standard open file message; minor updates

[namapane]

PR description:

Adding the standard open file message as requested in #44293.

This PR also incudes 2 minor updates:

• add support for short int branches
• close optional histogram files in the proper place

PR validation:

Mods checked with runtests and local tests.

[cmsbuild]

cms-bot internal usage

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-44310/39328

• This PR adds an extra 20KB to repository

[cmsbuild]

A new Pull Request was created by @namapane for master.

It involves the following packages:

• PhysicsTools/NanoAODTools (xpog)

@hqucms, @cmsbuild, @vlimant can you please review it and eventually sign? Thanks.
@clelange, @lenzip, @AnnikaStein, @gpetruc this is something you requested to watch as well.
@antoniovilela, @sextonkennedy, @rappoccio you are the release manager for this.

cms-bot commands are listed here

[hqucms]

please test

[namapane]

please test

it will fail until somebody puts back in place the test file that was moved away by the archive scripts, cf #44293.

[iarspider]

I have moved the file back and restarted the tests.

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4c084f/37904/summary.html
COMMIT: 354f217
CMSSW: CMSSW_14_1_X_2024-03-04-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/44310/37904/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: 41 differences found in the comparisons
• DQMHistoTests: Total files compared: 49
• DQMHistoTests: Total histograms compared: 3339090
• DQMHistoTests: Total failures: 3
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3339065
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 48 files compared)
• Checked 205 log files, 166 edm output root files, 49 DQM output files
• TriggerResults: no differences found

[hqucms]

+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. @antoniovilela, @sextonkennedy, @rappoccio (and backports should be raised in the release meeting by the corresponding L2)

[antoniovilela]

+1