Improve `aspire new` default experience

The default folder for `aspire new` is always confusing me

the default (in parentheses) folder uses the current folder name. So I always wonder if I hit ENTER that it will create a new sub-folder with the same name, or create it locally. The next prompt makes it obvious, but then it makes it weird that the defaults use the same name as the current folder.

Ideally hitting ENTER (picking only defaults) should be quick and clean.

Personally I would change the default to something based on the technical name of the template or aspire and append a number (like WebApplication67).