fix: skip operation UUID conflicts on import

backend/src/services/import.ts

@@ -226,7 +226,7 @@ export async function importStatement(
         `INSERT INTO transactions
            (account_id, operation_id, operation_at, amount_signed, commission, description, direction, fingerprint, category_id, is_category_confirmed, import_id)
          VALUES ($1, COALESCE($2::uuid, gen_random_uuid()), $3, $4, $5, $6, $7, $8, $9, $10, $11)
-         ON CONFLICT (account_id, fingerprint) DO NOTHING
+         ON CONFLICT DO NOTHING
          RETURNING id`,
         [accountId, tx.operationId ?? null, tx.operationAt, tx.amountSigned, tx.commission, tx.description, dir, fp, categoryId, isCategoryConfirmed, importId],
       );