framework/config: fix section-level workload args
framework/config: fix section-level workload args

create a copy of the args dict before popping args off of it to make
sure it is intact when the next job is processed.

ARM-software/workload-automation,lisatn/workload-automation,setrofim/workload-automation,ARM-software/workload-automation,ARM-software/workload-automation,setrofim/workload-automation,lisatn/workload-automation,setrofim/workload-automation,lisatn/workload-automation,ARM-software/workload-automation,lisatn/workload-automation,setrofim/workload-automation