Closes #16432 Multi-Select and Array fields were exported in an incompatible format: **Before**: {"0":"VALUE1","1":"VALUE2"} (object with numeric keys) **After**: ["VALUE1","VALUE2"] (JSON array) This prevented exported CSV files from being re-imported successfully. ### Changes Modified useExportProcessRecordsForCSV hook to stringify Multi-Select and Array fields as JSON arrays before CSV generation --------- Co-authored-by: Etienne <45695613+etiennejouan@users.noreply.github.com>