Merge pull request #56998 from xxhdx1985126/wip-65568

crimson/osd/pg: only kick off snap trimming when PGs are clean

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

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