Merge pull request #51673 from Matan-B/wip-50546-reef-2

reef: crimson/osd: Support librados::OPERATION_ORDERSNAP

Reviewed-by: Samuel Just <sjust@redhat.com>
Reviewed-by: Radosław Zarzyński <rzarzyns@redhat.com>

diff --cc src/crimson/osd/osd_operations/client_request.cc
Simple merge

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

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

diff --cc src/test/librados/snapshots_cxx.cc
Simple merge