can't always delete a sound nf-8kp5 ← Beads

Twinned from https://github.com/cfsh/ninefold/issues/264 by tools/beads/import_github.py's reconcile pass.

in my userspace song - hollow-wrack,

I can't delete the fancy-piranha or jumbo-boronia sounds, when I go to delete and accept the confirm - the row is still not deleted.

Other sound deletes do work

PTAL and consider if there's a deeper issue, it's weird that it partially works - is our code _too_ complicated somehow? Perhaps the fix is simplifying something