Raise CivArchiveSearchError in civarchive backend, catch and store it in source_results in the workflow analyzer, surface it in resolve_download_methods as an 'error' status, and display error messages in search_panel progress items and tooltips.
Raise CivArchiveSearchError in civarchive backend, catch and store it in source_results in the workflow analyzer, surface it in resolve_download_methods as an 'error' status, and display error messages in search_panel progress items and tooltips.