Checking deletedAt when finding mutually exclusive organization members while merging

[epipav]

Changes proposed ✍️

What

🤖 Generated by Copilot at 3cb5b3f

Fix a bug where soft-deleted organizations could still be accessed by slug. Update the getOrganizationBySlug method in organizationRepository.ts to exclude soft-deleted records.
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🤖 Generated by Copilot at 3cb5b3f

getOrganization
Filters out soft-deleted ones
Autumn leaves falling

Why

How

🤖 Generated by Copilot at 3cb5b3f

• Implement soft deletion for organizations by adding a deleted_at column to the organizations table and a deleted scope to the Organization model (F0

Checklist ✅

• Label appropriately with Feature, Improvement, or Bug.
• Add screenshots 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.