lib-storage: Don't try to use the same mail_storage for shared storages. This fixes having multiple independent shared namespaces.
lib-storage: Don't try to use the same mail_storage for shared storages.
This fixes having multiple independent shared namespaces.

jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jkerihuel/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot