fix: Improve offline tally script | NPG-000 (#563)

# Description
Small fix to the script to make the result files be identified by the
testplan id
## Type of change

Please delete options that are not relevant.

- [ x] Bug fix (non-breaking change which fixes an issue)

Author: kukkok3

scripts/tally/private_offline.sh

@@ -12,6 +12,6 @@ COMMITTEE_KEY=committee_1
 COMMITTEE_PK=$(jcli key to-public < "$COMMITTEE_KEY")
 MEMBER_SECRET_KEY=$(printf "./%s_committees/%s/member_secret_key.sk" $VOTE_PLAN_ID $COMMITTEE_PK)
 
-jcli "votes" "tally" "decryption-shares" "--vote-plan" "active_plans.json" "--vote-plan-id" "$VOTE_PLAN_ID" "--key"  "$MEMBER_SECRET_KEY" > decryption_share.json
-jcli "votes" "tally" "merge-shares" "decryption_share.json" > shares.json
-jcli "votes" "tally" "decrypt-results" "--vote-plan" "active_plans.json" "--vote-plan-id" "$VOTE_PLAN_ID" "--shares" "shares.json" "--threshold" "1" "--output-format" "json" > result.json
+jcli "votes" "tally" "decryption-shares" "--vote-plan" "active_plans.json" "--vote-plan-id" "$VOTE_PLAN_ID" "--key"  "$MEMBER_SECRET_KEY" > "$VOTE_PLAN_ID"_decryption_share.json
+jcli "votes" "tally" "merge-shares" $VOTE_PLAN_ID"_decryption_share.json" > "$VOTE_PLAN_ID"_shares.json
+jcli "votes" "tally" "decrypt-results" "--vote-plan" "active_plans.json" "--vote-plan-id" "$VOTE_PLAN_ID" "--shares" $VOTE_PLAN_ID"_shares.json" "--threshold" "1" "--output-format" "json" > "$VOTE_PLAN_ID"_result.json