instrument fitVertices to output more information when failing assert (issue cms-sw/cmssw#44923)

[mmusich]

PR description:

Title says it all, as per #44923 (comment)

PR validation:

cmssw compiles

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:

To be backported for 2024 data-taking operations.

[cmsbuild]

cms-bot internal usage

[mmusich]

urgent

[mmusich]

@cmsbuild, please test

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-45630/41143

[cmsbuild]

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

It involves the following packages:

• RecoTracker/PixelVertexFinding (reconstruction)

@jfernan2, @mandrenguyen can you please review it and eventually sign? Thanks.
@GiacomoSguazzoni, @JanFSchulte, @VinInn, @VourMa, @dgulhan, @felicepantaleo, @gpetruc, @missirol, @mmusich, @mtosi, @rovere this is something you requested to watch as well.
@antoniovilela, @mandrenguyen, @rappoccio, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

+1

Size: This PR adds an extra 16KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-24eaa1/40753/summary.html
COMMIT: 2055459
CMSSW: CMSSW_14_1_X_2024-08-04-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/45630/40753/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: 88 differences found in the comparisons
• DQMHistoTests: Total files compared: 46
• DQMHistoTests: Total histograms compared: 3530500
• DQMHistoTests: Total failures: 2464
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3528016
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 45 files compared)
• Checked 200 log files, 170 edm output root files, 46 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 master IBs (tests are also fine). This pull request will be automatically merged.