use classad.quote, not HTCondorUtils. Fix #8332

[cmsdmwmbot]

Jenkins results:

• Python3 Pylint check: failed
  • 25 warnings and errors that must be fixed
  • 4 warnings
  • 214 comments to review
• Pycodestyle check: succeeded
  • 372 comments to review

Details at https://cmssdt.cern.ch/dmwm-jenkins/view/All/job/DMWM-CRABServer-PR-test/1948/artifact/artifacts/PullRequestReport.html

[cmsdmwmbot]

Jenkins results:

• Python3 Pylint check: failed
  • 22 warnings and errors that must be fixed
  • 3 warnings
  • 188 comments to review
• Pycodestyle check: succeeded
  • 372 comments to review

Details at https://cmssdt.cern.ch/dmwm-jenkins/view/All/job/DMWM-CRABServer-PR-test/1949/artifact/artifacts/PullRequestReport.html

[cmsdmwmbot]

Jenkins results:

• Python3 Pylint check: succeeded
  • 126 comments to review
• Pycodestyle check: succeeded
  • 234 comments to review

Details at https://cmssdt.cern.ch/dmwm-jenkins/view/All/job/DMWM-CRABServer-PR-test/1950/artifact/artifacts/PullRequestReport.html

[belforte]

tested submit/resubmit/kill and automatic splitting on crab-dev-tw01