TriggerJobOpts.Modifiers: Skip adding FPEAuditor on platforms other than x86_64
FPEAuditor doesn't work on platforms other than x86_64, so detect the platform and avoid adding it in the job if the platform is unsupported.
Fixes ATEAM-834
FPEAuditor doesn't work on platforms other than x86_64, so detect the platform and avoid adding it in the job if the platform is unsupported.
Fixes ATEAM-834