Function favorites 

pub fn favorites(
    caps: &ServerCapabilities,
    user_id: &str,
    scope: SearchScope,
    options: Option<&GetItemsOptions>,
) -> String

A favourites listing.

scope is expanded here — SearchScope::All yields None, and the IncludeItemTypes filter is then omitted entirely rather than sent as a union, which would silently drop every type nobody enumerated (see SearchScope::item_types).

TRACES: UR-067, UR-085 | DR-115, DR-279, JA-033 | UT-100