Publication dialog: if the document has more than 7 unpublished referring documents a paging component is rendered, but it is broken

Steps to reproduce:

• start editing a document and add 8 internal links to an unpublished document
• publish the document, a dialog opens
• in the dialog, a paging component is displayed
• click on the next page; nothing happens

Expected result:

• next page should be shown

Actual:

• nothing happens in the browser, the server logs an error:

Caused by: java.lang.IllegalArgumentException: fromIndex(7) > toIndex(6)
at java.util.SubList.<init>(AbstractList.java:604)
at java.util.RandomAccessSubList.<init>(AbstractList.java:758)
at java.util.AbstractList.subList(AbstractList.java:468)
at org.hippoecm.frontend.plugins.reviewedactions.model.UnpublishedReferenceProvider.iterator(UnpublishedReferenceProvider.java:57)
at org.hippoecm.frontend.plugins.reviewedactions.UnpublishedReferenceNodeProvider.iterator(UnpublishedReferenceNodeProvider.java:49)