Merge pull request #49729 from rzarzynski/wip-crimson-obcregistry-per-pg

crimson/osd: make the ObjectContextRegistry per-PG

Reviewed-by: Samuel Just <sjust@redhat.com>
Reviewed-by: Chunmei Liu <chunmei.liu@intel.com>
Reviewed-by: Matan Breizman <mbreizma@redhat.com>

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

diff --cc src/crimson/osd/pg.h
Simple merge

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

diff --cc src/crimson/osd/shard_services.h
Simple merge