Collection reports (disk usage by collection and member count) assume that the "collection" node has an Islandora Model of "collection." They should explicitly filter out for that model.
The collection tag in the Islandora Models vocabulary has the external URI of http://purl.org/dc/dcmitype/Collection. That is what we need to filter on.
Collection reports (disk usage by collection and member count) assume that the "collection" node has an Islandora Model of "collection." They should explicitly filter out for that model.