@Krovikan, thanks! I can’t do so on OSTW, either.
At least we’ve ascertained that there’s a commonality in how openSUSE and Fedora package their Plasma WDs. I’ll ask why Plastik is pre-installed at Fedora and openSUSE’s Discourse instances, when I’ve ascertained where the WDs are stored, so that I can confirm what package they’re provided by (if any, during installation; they might be installed by Plasma afterward, like digikam does):