Unfortunately I don’t think so. It reflects what I’m experiencing, and I think you just pointed to a UI inconsistency/missing feature. So fine to re-categorize as such.
Bumping, if for nothing else than just for the sake of getting confirmation of your finding is also OK. I must admit on your initial post I wrote half of an answer - then dismissed it - just because it really didn’t add anything new than just confirming what you found. Sadly a bit the same now. 
Guess eventually this should get fixed, maybe standing a better chanced if bundled up with a few related time-series filter related issues like Include Hours and minutes on dashboard date/time filters like there is within Questions and Add minutes and seconds to time filters · Issue #3785 · metabase/metabase · GitHub on GitHub.