If you added the snapin "Tree of folders" to the sidebar, only the topic dropdown with the default "Overview" was shown. The second dropdown of the view choices was missing.
A workaround was, to change the dropdown to another topic as "Overview". The second dropdown appeared and on change back to "Overview", you could choose a view of this topic.
Note: This only occurs on the first use of the snapin. If you have already selected something, the dropdown values are read from user files.
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