Fix disable output file writing of ED in FST

Author: martenole

prodtests/full-system-test/start_tmux.sh

@@ -16,7 +16,7 @@ if [[ -z "${WORKFLOW_PARAMETERS+x}" ]]; then
   else
     export WORKFLOW_PARAMETERS="${WORKFLOW_PARAMETERS},CALIB_PROXIES"
   fi
-  [[ -z $ARGS_EXTRA_PROCESS_o2_eve_export_workflow ]] && ARGS_EXTRA_PROCESS_o2_eve_export_workflow="--disable-write"
+  [[ -z $ARGS_EXTRA_PROCESS_o2_eve_export_workflow ]] && export ARGS_EXTRA_PROCESS_o2_eve_export_workflow="--disable-write"
   if [[ -z "${GEN_TOPO_WORKDIR}" ]]; then
     mkdir -p gen_topo_tmp
     export GEN_TOPO_WORKDIR=`pwd`/gen_topo_tmp