feat(admin): improve tenant bulk import reporting with detailed results
- Backend: Enhanced 'ImportTenantsCSV' to return row-by-row details including action, status, and modified fields.
- Backend: Refactored 'upsertTenantCSVRecord' to detect and return specific modified fields (Name, Type, ParentID, Slug, Description, Config, Domains).
- Frontend: Added 'TenantImportDetail' and updated 'TenantImportResult' types.
- Frontend: Implemented a detailed results modal in 'TenantListPage' showing processing summary and row-level feedback for better transparency.
chan
fbdfb97c3e