0f1c7c9365
A Bokio integration token is scoped to one Bokio company and the company id is typed in by hand, so credentials for the user's other company imported that company's customers, suppliers and invoices with no error at all. Probe /companies/{id} before storing, mirroring the Bjorn Lunden /details probe, and refuse on a confident org-number mismatch.
Also surface the inbox mail body when nothing was attached: it was captured in email_body_text and never read back, which made Gmail's forwarding-confirmation mail unreadable and the forward impossible to complete.