docs(s3): better explain behavior of BUCKET_OWNER_PREFERRED (#28867)

Update the enum ObjectOwnership docs to be more explicit. As mentioned [here](#28866) the documentation is not explicit but in S3 [documentation](https://docs.aws.amazon.com/AmazonS3/latest/userguide/about-object-ownership.html) its explicit. We had discussed with Kaizen in [issue](#28866) before entering this PR/Issue.



Closes #28866 .


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packages/aws-cdk-lib/aws-s3/lib/bucket.ts

@@ -1287,7 +1287,9 @@ export enum ObjectOwnership {
    */
   BUCKET_OWNER_ENFORCED = 'BucketOwnerEnforced',
   /**
-   * Objects uploaded to the bucket change ownership to the bucket owner .
+   * The bucket owner will own the object if the object is uploaded with
+   * the bucket-owner-full-control canned ACL. Without this setting and
+   * canned ACL, the object is uploaded and remains owned by the uploading account.
    */
   BUCKET_OWNER_PREFERRED = 'BucketOwnerPreferred',
   /**