List of participants who have not voted missing in finalized newdles

The "The following participants have not voted yet" box is not shown when a newdle is finalized, even though this may still be useful information.

Let's show it regardless of the newdle's state (but adapt the message, since "not voted *yet*" makes no sense if voting is no longer possible.

Find the UI code that renders the “The following participants have not voted yet” box and inspect how it handles finalized newdles. Make the participant list visible in every newdle state, with wording that does not imply voting is still possible after finalization; verify both active and finalized states.

Written by the indexing model from the issue text.