Upgrade Storageinitial for disambiguation in creator and letter title
It would be useful to include an initial in creator and title (for letters) fields to disambiguate people with the same last name. (In this screenshot, father Marcel and son Léon are not distinguished.
https://s3.amazonaws.com/zotero.org/images/forums/u7521875/gi51zozsok1zgcbw8uhq.png
https://s3.amazonaws.com/zotero.org/images/forums/u7521875/gi51zozsok1zgcbw8uhq.png
