folder_branch_ops: Implement PR feedback to move prefetch cancelations above the notifyOneOpLocked switch.
folder_branch_ops: Implement PR feedback to move prefetch cancelations above the notifyOneOpLocked switch.

keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/kbfs,keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/kbfs,keybase/client,keybase/client,keybase/client