Merge pull request #50835 from cyx1231st/wip-seastar-adjust-conn-ref

crimson/net: change ConnectionRef to be a local_shared_foreign_ptr

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

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

diff --cc src/messages/MOSDOp.h
Simple merge

diff --cc src/msg/Message.cc
Simple merge

diff --cc src/msg/Message.h
Simple merge