Add logic to allow for headers to be dropped/rearranged in mdio_to_segy#810

BrianMichell wants to merge 2 commits intoTGSAI:mainTGSAI/mdio-python:mainfrom

BrianMichell:update_segy_exportBrianMichell/mdio-python:update_segy_exportCopy head branch name to clipboard