bug#65094: 30.0.50; '/ u' is missing in menu bar under Package

[Eli Zaretskii]

> From: Arash Esbati <arash@gnu.org>
> Cc: 65094@debbugs.gnu.org
> Date: Sun, 06 Aug 2023 12:11:24 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Thanks, installed.  But what I had in mind is the kind of changes I
> > made in the followup commit, please take a look.
> 
> Ah, you were thinking about revamping the whole thing.

Yes, but from you I wanted only the one for the single filter you
added.  I find "Filter packages by available upgrades" not very
useful, since it just says what the menu-item's name says anyway.