Revert changes of SCT_FrontEnd.cxx of MR !20456 to fix ATLASSIM-4227
Revert changes of SCT_FrontEnd.cxx of MR !20456 (merged) to fix https://its.cern.ch/jira/browse/ATLASSIM-4227
Revert changes of SCT_FrontEnd.cxx of MR !20456 (merged) to fix https://its.cern.ch/jira/browse/ATLASSIM-4227