Implement mkFit customization in initialStep with a Modifier

[makortel]

PR description:

As found in #28678 (comment) the customize function turned out to be too fragile.

PR validation:

Workflow 11634.7 runs.

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-28755/13394

• This PR adds an extra 24KB to repository

[cmsbuild]

A new Pull Request was created by @makortel (Matti Kortelainen) for master.

It involves the following packages:

Configuration/ProcessModifiers
Configuration/PyReleaseValidation
RecoTracker/IterativeTracking
RecoTracker/MkFit

@perrotta, @pgunnell, @chayanit, @zhenhu, @kpedro88, @cmsbuild, @silviodonato, @franzoni, @slava77, @fabiocos, @davidlange6 can you please review it and eventually sign? Thanks.
@felicepantaleo, @GiacomoSguazzoni, @rovere, @VinInn, @Martin-Grunewald, @mschrode, @gpetruc, @ebrondol, @dgulhan this is something you requested to watch as well.
@davidlange6, @silviodonato, @fabiocos you are the release manager for this.

cms-bot commands are listed here

[makortel]

@cmsbuild, please test

[makortel]

@cmsbuild, please abort

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/4256/console Started: 2020/01/16 22:05

[makortel]

@cmsbuild, please abort

[cmsbuild]

Jenkins tests are aborted.

[makortel]

@cmsbuild, please test workflow 11634.7

[cmsbuild]

The tests are being triggered in jenkins.
Test Parameters:

• MATRIX_EXTRAS = 11634.7
  https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/4257/console Started: 2020/01/16 22:19

[cmsbuild]

+1
Tested at: 68c0af5
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-65cb5c/4257/summary.html
CMSSW: CMSSW_11_1_X_2020-01-16-1100
SCRAM_ARCH: slc7_amd64_gcc820

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-65cb5c/4257/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 34
• DQMHistoTests: Total histograms compared: 2711715
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2711368
• DQMHistoTests: Total skipped: 346
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 33 files compared)
• Checked 147 log files, 16 edm output root files, 34 DQM output files

[silviodonato]

+operations

[perrotta]

+1

• It reproduces with a Modifier what was previously coded with a customization
• This fixes the issue obsereved in the IB since the integration of Move Sequence to Task Reconstruction_cff #28678, and now wf 11634.7 is set up correctly and can run to conclusion
• Jenkins tests pass

[chayanit]

+1

[silviodonato]

+1

[silviodonato]

merge
(@kpedro88 please have a look)

[kpedro88]

+upgrade

[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.