N2WS-22866 - Copy to S3 is ignoring selected storage class

Issue:

Due to a bug, the selected storage class is ignored when copying snapshot to S3 and instead Standard is used

Solution:

1. v4.2.1: Patch for v4.2.1 is available and attached to this KB. 
   
2. v4.2.0: Upgrade to 4.2.1 and apply the patch

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