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

[Juri Linkov]

>> +(defun project-other-command ()
>> +  "Run command with `default-directory' set to the current project root."
>
> I very much hope you will find a better name for this command.  The
> "other" part seems to be out of place here, at least as far as the doc
> string is considered.

The prefix 'other-' would make sense for consistency with 'other-window-...', 
etc.
But when the prefix is 'project-' then the function name doesn't need
to contain the word "other".