Function read_process_availabilities_from_iter

fn read_process_availabilities_from_iter<I>(
    iter: I,
    process_ids: &HashSet<Rc<str>>,
    time_slice_info: &TimeSliceInfo,
) -> Result<HashMap<Rc<str>, ProcessCapacityMap>>
where
    I: Iterator<Item = ProcessAvailabilityRaw>,

Process raw process availabilities input data into ProcessCapacityMaps