[13.0.X] Add protection to avoid crash in lowPtGsfEleGsfTracks (and other e/gamma reco)

[mmusich]

resolves #41442

PR description:

This PR is to fix a GSF crash in prompt-reco, as reported in #41442

PR validation:

runTheMatrix.py -l 12434.0 ran fine.
Also, checked with 1k MC events that electron reconstruction is otherwise not effected and physics results are identical after this change (see #41442 (comment))

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:

verbatim backport of #41450

[cmsbuild]

A new Pull Request was created by @mmusich (Marco Musich) for CMSSW_13_0_X.

It involves the following packages:

• TrackingTools/GsfTracking (reconstruction)

@cmsbuild, @mandrenguyen, @clacaputo can you please review it and eventually sign? Thanks.
@VourMa, @bellan, @felicepantaleo, @GiacomoSguazzoni, @JanFSchulte, @rovere, @VinInn, @missirol, @ebrondol, @gpetruc, @mmusich, @mtosi, @dgulhan this is something you requested to watch as well.
@perrotta, @dpiparo, @rappoccio you are the release manager for this.

cms-bot commands are listed here

• Backported from Add protection to avoid crash in lowPtGsfEleGsfTracks #41450

[mmusich]

please test

[perrotta]

backport of #41450

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-37e649/32218/summary.html
COMMIT: 507b927
CMSSW: CMSSW_13_0_X_2023-04-27-2300/el8_amd64_gcc11
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/41454/32218/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 19 lines to the logs
• Reco comparison results: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 49
• DQMHistoTests: Total histograms compared: 3554572
• DQMHistoTests: Total failures: 6
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3554544
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 48 files compared)
• Checked 213 log files, 164 edm output root files, 49 DQM output files
• TriggerResults: no differences found

[mandrenguyen]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_13_0_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_13_1_X is complete. This pull request will now be reviewed by the release team before it's merged. @perrotta, @dpiparo, @rappoccio (and backports should be raised in the release meeting by the corresponding L2)

[perrotta]

+1