Function change_personal_booking 

pub fn change_personal_booking(
    adapter: &dyn DatabaseOperations,
    config: &DbBackendConfig,
    schema: &AppSchema,
    actor_id: i64,
    booking_id: i64,
    input: Option<&Map<String, Value>>,
) -> Result<(), DatabaseError>

Creates one personal calendar booking without reading the app projection. Updates or deletes one actor-owned booking with an atomic ownership guard.