I know this is probably crazy suggestion, so please forgive me if this is bad idea.
You have probably read the thread on Reddit about File Manager "exploit".
I know this is 100% upstream design decision and little to do with Solus Project and not exactly groundbreaking "exploit".
Would it be a good idea to temporary patch Nautilus 3.22 to always show .desktop file extensions until the upstream at least address this "issue"?
I think this could be a good PR for Solus.