All invoices between 2021-10-01 and 2021-10-09 do not have items

[dmitrii-fediuk]

E.g.: invoice 19914 (for order 54729) Related to https://github.com/canadasatellite-ca/bambora/issues/12

[dmitrii-fediuk]

SELECT i.entity_id, i.created_at, i.updated_at, i.base_grand_total, ii.entity_id
FROM sales_invoice i
LEFT JOIN sales_invoice_item ii
ON ii.parent_id = i.entity_id
WHERE ii.entity_id IS NULL
ORDER BY i.created_at ASC;