2612b27e42
Also adds a new `BLO_readfile_id_runtime_tags_for_write` accessor to
ensure readfile data is created before assigning a tag value.
Followup to 2ec1b6887d. Should cover the last existing ID tags that
can be moved to temp runtime readfile ID data.
Pull Request: https://projects.blender.org/blender/blender/pulls/133715