--On Saturday, November 23, 2019 6:37 PM +0100 Stefan Kania
It looks like it is not possible to search for the attribute
if it's assigned to a groupOfUrls.
Currently, the "memberUid" value on the group has no way to be searched on
since it doesn't actually exist (it's derived *when* you do the search
against the group object), so there's no way to search for it, thus the
results you see. There's work to change this behavior (See ITS#9121) for
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