This helper function extracts the 'cs4h' component from a CSSY header, removes it from the original header, and embeds the remaining header information within the 'header_csr' field of the CS header.
This helper function extracts the 'cs4h' component from a CSSY header, removes it from the original header, and embeds the remaining header information within the 'header_csr' field of the CS header.