* Add BOMs before CSV info
* add BOM to tests
* DRYing
* remove added blank line
* add scheme and location columns to exported csv logs, remove scheme_id and location_id
* reformat
* update tests
* linting
* linting
* use delegate to simplify code
* update column names in expected csvs for tests
* update to use csv_case_log_service
* update tests
* delegate scheme_owning and scheme_managing _organisaton_names
* update tests
* update spec variable names
* feat: remove scheme_id, location_id from support users' exports as well
* fix: revert postcode change from other branch