Merge pull request #27122 from smithfarm/wip-38886-mimic

mimic: rgw: GetBucketCORS API returns Not Found error code when CORS configuration does not exist

Reviewed-by: Casey Bodley <cbodley@redhat.com>

diff --cc src/common/legacy_config_opts.h
Simple merge

diff --cc src/common/options.cc
Simple merge

diff --cc src/rgw/rgw_op.cc
Simple merge

diff --cc src/rgw/rgw_rest_s3.cc
Simple merge