Merge pull request #48682 from Matan-B/wip-matanb-obc-loader

crimson/osd: Introduce ObjectContextLoader

Reviewed-by: Samuel Just <sjust@redhat.com>
Reviewed-by: chunmei-liu <chunmei.liu@intel.com>

diff --cc src/crimson/osd/replicated_recovery_backend.cc
Simple merge