fix S3 PutObject with MD5 and enabled ARN Partition Rewriting #9233
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Motivation
#9064 introduced the MD5 checks for S3's PutObject operation.
Until now, the ARN Partition Rewriting did not update the MD5 hashes in requests.
This now causes issues with the MD5 check in S3, since the checksum is verified, but the content is maybe modified due to the rewriting.
Changes
Content-MD5
header with a new value in case it is set.