bug#58150: 29.0.50; parse_tool_bar_item should not usually upcase "and"

[Eli Zaretskii]

> Cc: 58150@debbugs.gnu.org
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Thu, 29 Sep 2022 13:02:01 +0200
> 
> Sean Whitton <spwhitton@spwhitton.name> writes:
> 
> > One possibility is a defcustom to only upcase the very first character.
> > Maybe it should even be t by default: this will produce more correct
> > results than the current scheme.
> 
> I think the upcasing should be removed, and the tool bar labels should
> be capitalised properly to begin with.

Isn't the capitalizing for the likes of tool-bar-add-item-from-menu,
where the symbols are commands that aren't capitalized?