bug#23341: x-show-tip does not respect the value of tooltip-hide-delay, and the default tooltip timeout isn't configurable

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: clement.pitclaudel@live.com,  23341@debbugs.gnu.org
> Date: Sat, 30 Apr 2022 18:22:05 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > I think the variable should be moved to a common file, perhaps
> > dispnew.c?
> 
> Oops; yup.  Now done.
> 
> > Also, nsterm.m should be modified as well, no?
> 
> Geez.  Yup; now pushed.

Thanks!