"
This series changes hinted handoff to work with `frozen_mutation`s
instead of naked `mutation`s. Instead of unfreezing a mutation from
the commitlog entry and then freezing it again for sending, now we'll
just keep the read, frozen mutation.
Tests: unit(release)
"
* 'hh-manager-cleanup/v1' of https://github.com/duarten/scylla:
db/hints/manager: Use frozen_mutation instead of mutation
db/hints/manager: Use database::find_schema()
db/commitlog/commitlog_entry: Allow moving the contained mutation
service/storage_proxy: send_to_endpoint overload accepting frozen_mutation
service/storage_proxy: Build a shared_mutation from a frozen_mutation
service/storage_proxy: Lift frozen_mutation_and_schema
service/storage_proxy: Allow non-const ranges in mutate_prepare()
(cherry picked from commit 1891779e64)
54258ca8eb