That's not something that IRCC will accommodate:
"Transfers should not occur within the Greater Toronto Area, except in exceptional cases."
and especially not if they have reason to believe a transfer (change of address) was initiated with the intent to expedite processing:
"There may be instances where an officer believes that a change of address is not legitimate. Clients may change their address as a result of a perceived leniency in decision-making or quicker processing times at another office. If this is the case, the officer should request from the client more information on the change of address. If the officer is still not satisfied with the additional information, or if the client does not supply the officer with it, the files remain in the original office and the client is notified."
(from
https://www.canada.ca/en/immigratio...ing/sending-applications-changes-address.html )