bug#63648: 29.0.90; project.el: with switch-use-entire-map, switch-project errors on non-project commands

[sbaugh]

Juri Linkov <juri@linkov.net> writes:
>>> Probably. Would you like to propose one? So that I have something to
>>> compare to, and have something specific to put to the vote as well.
>>
>> Ok, something like this:
>
> Here is a more tested patch.  It supports these cases:
>
> (setq project-switch-use-entire-map t)
>
> C-x p p C-b - should not include current buffer in the list of another 
> project (bug#58784)
> C-x p p f M-n - should fetch the right default file name (bug#58784, 
> bug#63829)
> C-u C-x p p f emoji TAB - should include ignored emoji-labels.el (bug#63648)
> C-x p p C-x d - should visit another project's root (bug#63648)
>
> The same with frames:
>
> C-x 5 p p C-b
> C-x 5 p p f M-n
> C-u C-x 5 p p f emoji TAB - should not show completions in another frame 
> (bug#65558)
> C-x 5 p p C-x d

I've only been testing it for a few days, but this patch seems perfect
to me.  It does everything I want.