update vlass templates for pimscache python3.10 upgrade

Let's make sure pimscache can actually find python3.10 from a workflow...

shared/workspaces/alembic/versions/templates/restore_cms/fetch_sh_2.8.3.txt

@@ -11,7 +11,7 @@ cd {{spool_dir}}
 $SBIN_PATH/framework.sh -d .
 chmod 770 .
 
-if [ ! -z "$PREV_SPOOL" ] && [ -d ../$PREV_SPOOL/rawdata/ ] && [ ! -z "$(ls -A ../$PREV_SPOOL/rawdata/)" ]; then
+if [ ! -z "$PREV_SPOOL" ] && [ -d "../$PREV_SPOOL/rawdata/" ] && [ ! -z "$(ls -A ../$PREV_SPOOL/rawdata/)" ]; then
     # Reuse the raw data from the previous version
     mv ../$PREV_SPOOL/rawdata/ .
 else