Alas, it is fixed for that particular occurence, but it still occurs 29 times in the document (using today's beta).
A more extended search shows that there are also spaces afters en-dashes (in "Press|–|Citizen" and in "Miniatur|–|Bibliothek der Deutschen Classiker"), but none after em-dashes. Unfortunately, my attempts to reproduce this in a smaller document have so far failed. well, you know: no mwe, no solution
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