fix: cronjob cleanup array variable

legacy/build-deploy-docker-compose.sh

@@ -1694,7 +1694,7 @@ MATCHED_CRONJOB=false
 DELETE_CRONJOBS=()
 # NATIVE_CRONJOB_CLEANUP_ARRAY is calculated in a prior step, when cronjobs are generated by the build-deploy-tool, this will need to be re-calculated using the tool
 for SINGLE_NATIVE_CRONJOB in $CURRENT_CRONJOBS; do
-  for CLEANUP_NATIVE_CRONJOB in $NATIVE_CRONJOB_CLEANUP_ARRAY; do
+  for CLEANUP_NATIVE_CRONJOB in ${NATIVE_CRONJOB_CLEANUP_ARRAY[@]}; do
     if [ "${SINGLE_NATIVE_CRONJOB}" == "${CLEANUP_NATIVE_CRONJOB}" ]; then
       MATCHED_CRONJOB=true
       continue