Fix the Broken JSON Deduplication Pipeline

Fix the Broken JSON Deduplication Pipeline: a task in repo2rlenv-seta-seed2synth (Harbor dataset). A data processing script at /opt/pipeline/dedupe.sh is producing incorrect output. It is supposed to deduplicate JSON string arrays while preserving the original insertion order of first occurrences…

The task

A data processing script at `/opt/pipeline/dedupe.sh` is producing incorrect output. It is supposed to deduplicate JSON string arrays while preserving the original insertion order of first occurrences, but instead it is sorting the output alphabetically.

Part of FineEnvs/repo2rlenv-seta-seed2synth.