Update mkFit JSON files to include backward search in mkFit pixelLessStep and tobTecStep

[mmasciov]

Update of per-iteration JSON files for mkFit configuration, as per PR cms-sw/cmsdist#7287 and cms-sw/cmssw#35199

[cmsbuild]

A new Pull Request was created by @mmasciov (Mario Masciovecchio) for branch main.

@smuzaffar, @iarspider, @mrodozov, @cmsbuild, @slava77, @jpata can you please review it and eventually sign? Thanks.
@makortel, @felicepantaleo, @GiacomoSguazzoni, @JanFSchulte, @rovere, @VinInn, @ebrondol, @gpetruc, @mmusich, @mtosi, @dgulhan this is something you requested to watch as well.
@perrotta, @dpiparo, @qliphy you are the release manager for this.
cms-bot commands are listed here

[jpata]

+reconstruction

• this was tested with Update of mkFit for 12_1_0_pre3 cms-sw/cmssw#35199 (comment)

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-cace59/18488/summary.html
COMMIT: 781268f
CMSSW: CMSSW_12_1_X_2021-09-09-2300/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-data/RecoTracker-MkFit/4/18488/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: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 39
• DQMHistoTests: Total histograms compared: 3001001
• DQMHistoTests: Total failures: 0
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3000979
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 38 files compared)
• Checked 165 log files, 37 edm output root files, 39 DQM output files
• TriggerResults: no differences found

[perrotta]

+1

[perrotta]

merge