Stop dz from being NaN in PackedCandidates

[swagata87]

PR description:

Aiming to fix the issue reported and discussed in #44976

PR validation:

AOD->miniAOD step runs fine and dz is not NaN anymore. Tested with DYto2TautoMuTauh events.

[cmsbuild]

cms-bot internal usage

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-45009/40290

• This PR adds an extra 24KB to repository

[cmsbuild]

A new Pull Request was created by @swagata87 for master.

It involves the following packages:

• DataFormats/PatCandidates (xpog, reconstruction)

@mandrenguyen, @jfernan2, @hqucms, @cmsbuild, @vlimant can you please review it and eventually sign? Thanks.
@hatakeyamak, @missirol, @gouskos, @gpetruc, @rovere this is something you requested to watch as well.
@rappoccio, @sextonkennedy, @antoniovilela you are the release manager for this.

cms-bot commands are listed here

[swagata87]

type pf

[jfernan2]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f78518/39450/summary.html
COMMIT: 81b1b2f
CMSSW: CMSSW_14_1_X_2024-05-20-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/45009/39450/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 3 lines to the logs
• Reco comparison results: 13 differences found in the comparisons
• DQMHistoTests: Total files compared: 48
• DQMHistoTests: Total histograms compared: 3338862
• DQMHistoTests: Total failures: 851
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3337991
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 47 files compared)
• Checked 202 log files, 165 edm output root files, 48 DQM output files
• TriggerResults: no differences found

[jfernan2]

solves #44976

[jfernan2]

+1

[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)

[rappoccio]

+1