Pass the existing transaction to merge organizations on enrichment

[yeganathan18]

Changes proposed ✍️

What

🤖 Generated by Copilot at d911abf

Refactored organizationEnrichmentService and orgService to use database transactions for data consistency and error handling. Updated backend/src/services/premium/enrichment/organizationEnrichmentService.ts to pass the transaction option to orgService.
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🤖 Generated by Copilot at d911abf

orgService changed
To use same transaction
Data stays intact

Why

How

🤖 Generated by Copilot at d911abf

• Pass transaction option to orgService constructor to use same database transaction as organizationEnrichmentService methods (link)

Checklist ✅

• Label appropriately with Feature, Improvement, or Bug.
• Add screehshots to the PR description for relevant FE changes
• New backend functionality has been unit-tested.
• API documentation has been updated (if necessary) (see docs on API documentation).
• Quality standards are met.