HI, just realised I missed the last part of your message. The tracking id only shows that the passport is being dispatch to the visa office and this was on 20/5. And this has nit changed as at now.Just send them a mail asking for your passport to be recalled based on your personal reasons.
LDNIMMIGRATION@international.gc.ca
But when you say no acknowledgement, vfs didn't give you a tracking number? Maybe you should try by mailing vfs to ask if your passport is still with them. If they haven't sent it to IRCC, request they send it back to you. If they don't respond to your mails on time, call them, just make sure you have enough airtime on your phone.