bug#74750: clone-frame and make-frame pixelwise issues

[martin rudalics]

> That patch works to address make-frame's respect for text-pixels, at least
> on NS (the only platform I tested).

I don't like it much and I have to further test the behavior with fringes.
Maybe I find  better solution.

> Now to address the clone-frame implementation to respect pixelwise, and/or
> as you suggested, perhaps a formal frame parameter resize-pixelwise. If we
> adopt the change I proposed it could be used in Emacs 30 or 31 since this
> is a bug (but not a regression). If we go for resize-pixelwise, it'll be
> 31, right?

Everything we do here would have to go into Emacs 31.

martin