fix: use SPAR bec catalogue for retrieving bec description

[craigyu]

Uses SPAR Bec Catalogue table for getting the BEC zone description, instead of using BEC_ZONE_CODE which we don't have access to

---

Thanks for the PR!

Deployments, as required, will be available below:

• Frontend
• Backend
• Oracle-API

Please create PRs in draft mode. Mark as ready to enable:

• Analysis Workflow

After merge, new images are deployed in:

• Merge Workflow