Rename cookieID -> cryptoID and deviceToken -> deliveryID
Summary: This differential renames cookieID -> cryptoID and deviceToken -> deliveryID in keyserver and lib push related files. After moving notif generation and encryption to lib deviceToken and cookieID are no longer valid they should be replaced with something more generic.
Test Plan:
- Flow
- Test all notifs for all platforms and large notifs as well.
Reviewers: kamil, tomek
Reviewed By: kamil
Subscribers: ashoat
Differential Revision: https://phab.comm.dev/D12398