Merge pull request #58017 from Matan-B/wip-57262-squid

squid: crimson/os/seastore/lba_manager: don't increase intermediate mappings' refcount if LBAManager::clone_mapping() is called to remap mappings

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

diff --cc src/crimson/os/seastore/transaction_manager.cc
Simple merge

diff --cc src/test/crimson/seastore/test_btree_lba_manager.cc
Simple merge